Major Oleg Gromov arrives in Beloyarsk, one of the biggest railway hubs in the country. He comes there to pay a visit to an old friend Vyshenkov, his former martial arts coach who now is the Head of the Security Department at the railway. Happy to see his old trainee, Vyshenkov promptly offers him to spearhead a squad of the Rapid Action Team (RAT) that was created to guard the rails from the rampant gangs. However, Gromov has his own plans for life: back in the capital, there’s an exciting and generously paid job waiting for him. But everything changes once Vyshenkov falls victim to a bandit attack. Gromov sets his mind on staying in Beloyarsk and becoming the leader of RAT. With the help of his new subordinates, passionate investigator Dmitry Kulikov, and psychologist Irina Tikhonova, he starts his own investigation of the railway case. He’s up to challenge a dangerous and invisibleenemy that is ready to do anything to silence the truth about the railroad affairs.

Russian game show based on the original French format of Fort Boyard.

The story of the bloody confrontation between the new Chief of Criminal Police, a former local thief nicknamed the 'Ace', and a ruthless gangster, 'Mednik' is dramatic, very human and very deep. The audience watches in awe the transformation of an inexperienced strong-headed bully into a deeply caring, strategically thinking chief investigator and a team leader. His criminal past allows Ace to successfully navigate through the gang wars eliminating outlaws one after another, until he runs into Mednik who escapes from all traps leaving pile of corpses behind. The conspiracy to overturn the Bolsheviks' regime culminates the last episodes and it's impossible to guess what will happen next. It's a well-written, well-directed and well-acted series with the kind of picture so engaging and immersing that the audience really feels lost when it's over.

"У.Е." means "условная единица" in Russian or "CU" (conventional unit) in English. A conditional unit is a euphemism used in Russia to denote a monetary amount in a foreign currency (usually US dollars) or an equivalent amount of a dollar in rubles at an official or exchange rate.

The retired 50-year-old FSB colonel at his own risk and continues to investigate the case, because of which he was sent to retirement, and is drawn into a swirl of events related to the leakage of Russian capital abroad and the fight against international terrorism.