Yevgeny Koltsov is a former Ministry of Internal Affairs employee who is a well-deserved hero for courageous fighting in Chechnya.

When the former lawman becomes imprisoned, chief of the penitentiary, lieutenant colonel UFSIN Vyshkin comes to Sumrak with a request to protect Koltsov from the threats of prisoners.

The ringleader's closest aide learns that he wants to protect Koltsov (since the higher authorities have arrived for a holiday arranged on the premises, and problems connected with the death of the prisoner-militiaman would be detrimental) and using the promise of an early release he persuades another inmate authority, Shaman, to start a commotion and remove Koltsov with the goal being to undermine Vyshkin.

Then he asks his combat friend, commander of the special forces of the Federal Penitentiary Service Sergey Gagarin, to help him escape from the hospital.

However in attempts to make their squad the best and win a trip to St. Petersburg, the former convicts discover qualities in themselves which they never suspected before ...