Xu Junsen is an elite Organised Crime and Triad Bureau detective, brave and capable, and has always wanted to join the Flying Tigers. Shen Weili has a gentle appearance and has just been transferred from the Crime Squad to O. He has a shrewd mind and rich experience in investigating cases

The "Tiger Killing Case" shocked the world. After careful consideration, Jun Sen decided not to join the Flying Tigers and instead stayed in Organised Crime and Triad Bureau to investigate the case, vowing to bring the madman and the mastermind behind the scenes to justice.

unsen discovered that the mastermind behind the scenes was Zhang Xi, Yaoqi's adopted daughter who had been fostered in South America for many years, and the two decided to cooperate in investigating the tiger killing case.

Junsen discovered that the mastermind behind the scenes was Zhang Xi, Yaoqi's adopted daughter who had been fostered in South America for many years, and the two decided to cooperate in investigating the tiger killing case.

Junsen and Weili worked together with tacit understanding and successfully rounded up the mastermind of the kidnapping case. Zhang Xi received clues from Russian hacker friends, suspecting that the mastermind of the tiger killing case was related to the Wei Feng Group

It turns out that Allawi is an international terrorist who has been on the run for a long time. Junsen thinks that he may be able to provide clues to the tiger killing case and takes the initiative to take over the investigation

Wei Li and Jiayu tried to arrange a time to date again, but fate always took a turn, and Wei Li once again cancelled the date due to work. Zixiong planned a series of armed robberies, and Wei Li secretly obtained the information and planned a large-scale roundup.

Zhang Xi was entangled by Wei Zhaoyang, vice chairman of the Wei Feng Group, and Zhang Xi got into trouble with the gang in order to get rid of him.

Yingsi decorated her new home, and Zhang Xi came to Junsen's house because he wanted to investigate the case for him. Zhang Xi arbitrarily criticized the arrangement of Junsen's family, and even secretly changed the arrangement of the home, which made Yingsi dissatisfied.

In order to understand the case, Jiayu contacted the family of the real murderer and further strengthened her determination to exonerate him. Jiayu decided to adopt a risky and enterprising strategy, which achieved miraculous results.

Junsen drove Zhang Xi home, but the car suddenly lost control. Fortunately, Zhang Xi rescued him in time. Zhang Xi determined that the accident was related to the mastermind of the tiger killing case. Wei Li was found out by his father Shen Hongfu that he was dating Jiayu. He was extremely supportive and urged him to get married.

Zhang Xiyu took care of Junsen's daily life when Yingsi was on a business trip, and unknowingly took on the role of the hostess of the family. Hongfu kept putting pressure on Wei Li, and Wei Li supported Jiayu from beginning to end, which made Jiayu even sure that she had found the right person.

Guo Hao was arrogant in Zhongtian Society, even the police ignored him, and even clashed with Junsen's group. Jun Sum recalled that he had met Guo Hao several times during his years in the police force and was deeply impressed by him.

With careful observation, Junsen found clues at the scene, followed the clues, and finally found the place where Guo Hao was hiding. I thought the matter was over, but Guo Hao suddenly escaped. Xing Junsen was on guard for a long time, because in the process of searching for Guo Hao, he learned about his life in recent years and began to understand his mental journey

Jiang Xinxin, two team members of Junsen and Weili, developed a relationship with Yuan Honglie. After the two made their relationship public, Weili put pressure on Honglie, and Honglie decided to break up.

Zhang Xi discovered through the Dark Web that Master Benson, the founder of Maplewood Academy, had a very suspicious background, and Junsen felt something was wrong. Yingsi pretended to be frustrated and asked Xinxin to take her to the college to investigate, but Benson discovered her and secretly stopped her.

Ying Si trusted Jun Sen and Zhang Xi, but her mother Liang Aici took the initiative to help her fight off her "love rival". Zhang Xi was forced into a corner and confessed everything.

The evidence of the arson case was conclusive, giving Zhenwei and Guancai a high chance of being convicted. Wei Li's meritorious service was praised by the state, and he felt that his future was bright.

Wei Feng's stock price was affected by the property repossession scandal. In order to repair the performance, Donghai decided to demolish the villa of Zi Le's late mother and develop the land.

Zi Le had a childhood that he couldn't look back on. His parents were at odds and his mother died young. From then on, he only wanted to devote himself to his computer world. Later, a traffic accident caused Zi Le to meet Youli.

Based on the time between Fang Lan's disappearance and the start of the live broadcast, her location was estimated, but no one was found. At this point, the kidnappers decided to take further action at the end of the live broadcast!

Many years ago, Youli lived a happy life in Thailand with Song Da, who had rescued her. Later, Song Da and his brother went to Hong Kong to seek justice because the villagers were defrauded by an investment company, but Yu Li's life suffered a huge change.

Zhang Xi successfully joined the target company to conduct a secret investigation and discovered that Dai Chaer, a former employee, had been a mercenary. Zhang Xi found out Dai Chaer's background and obtained his computer files. Zhang Xi continued to follow the clues.

Junsen and Zhang Xi are still suspicious of the target person and want to investigate his personal computer. Zhang Xi later successfully sneaked into his computer, but only found some intimate photos and videos.

Baojiang's wife discovered that Baojiang was missing and called the police for help. Junsen and Weili jointly investigated and finally found Baojiang's body, and also discovered clues related to the tiger killing case.

The real culprit in the tiger killing case has been found, and the truth seems to have "come to light". Junsen and Zhang Xi went to worship Yaoqi, but Zhang Xi found Youli worshiping alone in another place. Zhang Xi is about to leave Hong Kong, and when he and Jun Sen are about to separate, there are twists and turns.

Junsen went to Thailand to investigate the tiger killing case, met Zhang Xi again, and learned about Youli's past.

Zi Le and You Li relied on Kuang Min and Jia Yu's excellent defense to get the two acquitted. Although Jiayu won the lawsuit, she had other feelings and couldn't help but reflect.

The interrogation was over, but Zi Le was heartbroken because of what happened to You Li. Zi Le ignored official duties and was addicted to the computer world all day long, and even became addicted to drugs.

A group of mercenaries fired at the villa, causing chaos inside the villa. Zi Le ran away afterwards and disappeared. Ying Si suddenly meets with Jun Sen and Zhang Xi. Only when Jun Sen arrives does he realize that it is Zi Le's trap.

Wei Zile, the mastermind behind the "Tiger Killing Case", was arrested. He became insane due to brain damage and will be imprisoned in a mental hospital for life.

Organised Crime and Triad Bureau and the Flying Tigers broke into the killer's hiding place and found that the building was empty. Huo Taiyin's company encountered financial difficulties and helped the killer to evade capture.

A singer's car was hacked into and drove into people wantonly, injuring many people.

He Jian used his power to help Jiayu deal with the troublesome customers. Jiayu insisted on her principles and asked He Jian not to worry.

Yong Quan is becoming more and more sensitive, and even his confidants are suspicious. His subordinate Xin Zaichen escapes with a guilty conscience. Yongquan orders people to hunt down Xin Zaichen and discovers Xin Zaichen's true identity...

Guanfeng further established a relationship with Zi Le and successfully assisted the police in analyzing Zi Le's actions on the dark web, gaining the police's trust.

Junsen led the team to investigate the life background of the deceased Wang Shanshan and the circumstances before her disappearance; the team member's sister sympathized with Shanshan's life experience and redoubled her efforts in the investigation, hoping to seek justice for Shanshan...

Guan Feng uses a "brain wave machine" to ask Jia Qiang to "tell" the past thirty years ago... Jia Qiang comes from a prominent family, but was despised and neglected by his evil wife in a political marriage.

Cases of throwing water bottles from high altitudes occurred one after another, and the perpetrators threatened and demanded the release of the prisoner in the "Nanny Car Terrorist Attack Case."

A real estate developer wants to acquire some land in Hepu Village for development, but it only needs the approval of Chang Bo, a villager in Xia Village.

Jiayu used new clues to defend Qixi and try to clear him of the charge of manslaughter... Hongfu did housework for Wei Li as usual, but he touched Jiayu's personal belongings. Jiayu was dissatisfied...

Tianzu was worried about Zhang Xi and decided to ask Guanfeng to help her untie her knot. Guanfeng even arranged for Zhang Xi to meet Yingsi...

Zhen Pong felt guilty that his undercover operation had ruined Lan's life, but it indirectly contributed to Lan's relationship with his neighbor Xu Renda.

Weili led the team to search hard and successfully found key evidence. After comparative analysis, Renda was finally acquitted.

Tianzu assisted the police in decrypting the code and successfully found Perses, another darknet netizen of Zi Le, and found that he had obtained a large amount of cryptocurrency from Zi Le.

Junsen and Yingsi get along well with each other in public and private, and successfully cooperate to solve the case. Thief king Shi Shaobo, who had served more than 20 years in prison, escaped from a low-security prison in the last month of his sentence, leaving the police baffled.

Wei Li concluded that Shao Bo had some dealings with overseas suspects and asked Ying Si to investigate. Ying Si found clues, and Wei Li rushed to investigate.

Kuang Min offered to help You Qian fight the lawsuit and had a fierce fight with Jia Yu in court.

Ying Si saw Guan Feng's sad face and used a simple act to make him feel better. Seeing that Youqian's lawsuit was in good shape, Zhaoyang wanted to please her.

Jiayu felt disrespected and decided to put the marriage on hold. Weili returned to the police station to complain to Junsen and asked him to tell everyone that the wedding date would be notified later.

Chengwu suspected that his identity had been exposed and asked Ji to investigate and find out the truth. Junsen learned that Chengwu's boss had brought a group of killers to Hong Kong, and he was worried that Zhang Xi would be implicated.

Junsen was concerned about Wei Li's emotional affairs, and Wei Li admitted that he was caught between Hongfu and Jiayu, so he had to work hard to help the two get along.

Tianzu fell into a coma due to a rare allergic reaction. Junsen and Weili discovered that the fire alarm was suspicious and concluded that it was related to Perses and the mercenary organization.

Ying Si and Guan Feng went to Bali to attend meetings respectively. By chance, they went to the island where Guan Feng grew up. Guan Feng was infected by Ying Si's optimistic personality.

Junsen was prosecuted and was to be suspended immediately. Jiayu took over the theft case and defended Junsen. After studying the case, Jiayu also felt embarrassed and was not optimistic about the situation...

Yingsi visits Junsen, and the relationship between the two finally breaks through... Yingsi takes Guanfeng to the dog farm to do volunteer work.

Junsen successfully appealed and was acquitted. Yingsi and Junsen rebuild their old friendship and cherish their time together. Junsen resumes his job and investigates Perses' real conspiracy with Wei Li; Yingsi analyzes the clues but has no clue.

Junsen and Weili rushed to the scene of the accident, but failed to evacuate the crowd. The terrorist attack has been launched...

Zhang Xi learned from Guan Feng that there was an experimental new drug that might be able to treat Tian Zu. Even though there were risks involved, she believed in Guan Feng's authoritative status and decided to sign up for Tian Zu.

Junsen and Weili set up a command point, blocked off the rooftop, and allowed experts to work on the rooftop. The video of the terrorist plotter caused panic among the citizens, and the police wanted to evacuate the citizens from the area.