Logan and his new partner, Barek, investigate a series of robberies in mom-and-pop jewelry stores that are escalating in the level of violence. After a home investigation leads them to a young junkie, Barek and Logan are soon led to a mother-and-son team of criminals. They soon realise that the mother is the one pulling all the strings. Logan is uncomfortable when Barek uses his past to get through to their suspect.

When a cop's son is murdered by the mob, Logan and Barek realise that young Joe Long was killed by mistake, and their investigation leads them to two rival mafia families, but it isn't long before Logan begins to believe that the true criminals aren't the mobsters, but the cops on their payroll. As their investigation narrows down to one main officer, Barek and Logan are faced with the difficult task of having to force the man's daughter to turn against him to get what they want. When the officer and his lawyer bring Logan's stormy history into play, even Deakins takes pause with his decision to have Logan on his force.

Detectives Eames, Goren, Barek, and Logan must solve a case that involves a teenage girl missing in New York City. While Barek and Logan search around for another missing girl, Eames and Goren work to uncover a mystery with a judge and his son.

The squad continues the investigation into the murder of a teenage girl visiting from Iowa. The detectives uncover the sordid family life of a local judge whose son is linked to the Iowa teenager and another victim. Goren and Logan discover that the judge is a formidable foe as they come under scrutiny.

When the body of a young woman is found by two children behind a dumpster, Barek and Logan soon learn she had recently returned from Guatemala and was suspected by the other passengers of being a drug mule. Their investigation leads them to noted plastic surgeon Dr. Christine Ensel, who has made a name for herself in recent years performing surgeries in Guatemala on people who would not normally be able to afford plastic surgery, but as the investigation continues, Logan and Barek suspect that Dr. Ensel has a lot to hide.

After Joseph Sabo is found lying dead in the street, Barek and Logan investigate who was nearby that night that may have had a motive. They are soon led to Danielle Quinn, who had been blackmailing six different men claiming they fathered her child, asking for money. The detectives realise she was the one who killed Sabo, but when none of her victims will testify against her for fear of their wives finding out what they've done, Barek and Logan hit a dead end.

Logan and Barek investigate after a body is found in the ocean, having fallen from an airline wheelwell. They soon discover that she is just one in a long line of prostitutes to be beaten and murdered. Their investigation leads them to a nervous airline employee, but they just don't feel he has the courage or the violent nature to commit these crimes on his own. A family connection leads them to a second suspect, with a history of both being abused and being the abuser.

Logan and Barek investigate after secret service agent Paula Kendall is found dead in her home. Suspicion initially turns to the husband after detectives realize that it took him eleven minutes after a first failed attempt to get in touch with 911, and their investigation leads them to her husband's role in a proposed Indian casino. Logan and Barek are especially interested when it turns out that the 'witness' Paula was supposed to be meeting that night had ties to a local politician, Peter Bellingham, who also had ties to Kendall's husband.

Logan and Barek investigate after the body of eighteen-year-old violinist Laura Booth is found stuffed in a shaft, her fingers covered with cocaine and resin. Although initially they believe her death may be connected to the cocaine that some of the crew were transporting, they're soon turned on to a romantic relationship between the maestro, Julian Reinhardt, and the victim's mother, Gillian Booth. Once teethmarks are found on Reinhardt's back that belong to Laura, Logan and Barek think they may have a slam dunk on their hands until Gillian weds her daughter's supposed killer.

Barek and Logan investigate when the deaths of two young girls seem to be connected to a voodoo-practicing nurse. Things turn interesting when it seems the young woman has placed a voodoo curse on Logan.

Logan and Barek investigate a series of home invasions that result in grisly murders and their search leads them to local foster mother Chesley Watkins who had a series of young men going in and out of her home throughout the years. One of the young men involved in the home invasions was one of her boys, and while trailing the young man, Logan shoots a suspect who was brandishing a weapon at himself and Barek. When the suspect turns out to be a cop, Logan finds himself in the hot seat, and Barek sticks up for her partner, knowing that the truth is on their side. The investigation leads to Watkins as a suspect, and Logan is forced to deal with memories from his own past as Watkins plays on the weaknesses she sees.

Logan and Barek investigate a troubled young man named Kevin Colemar after his parents are found murdered in their suburban home. Kevin initially believes that drug dealers named Big Lennie and Ray-Ray may have done the murders, but Carson Laird, a Nassau cop, soon tricks Kevin, who cannot remember the night in question, into confessing to the murder. It all seems cut and dried, but Logan and Barek just can't shake the feeling that the kid is innocent. Deakins spends his last two weeks on the job preparing for his future.