The main characters are above the law. They are a group of police investigators wallowed in criminal activities. But the criminal scheme worked out by the experienced d team begins to fail. There appears to be a mole reporting directly to FSB. When Pepl finds himself in a life threatening situation he starts thinking about the existence for the first time ever. Once he begins to think he can not go back to his former self. The team begins to suspect that he is a mole. The former coworkers turn into mortal enemies.

A Russian billionaire is brutally killed on the outskirts of Moscow. Vasily, a simple school teacher becomes an unwilling witness to this murder during his routine morning bike ride. The police, unable to find the criminals, begin to suspect Vasily and he quickly becomes the prime suspect. At the advice of his daughter, who also happens to be his attorney, Vasily allows himself to be placed in a psychiatric ward to avoid being incarcerated for the false accusation. It is believed that a fictitious diagnosis will help her father's case, but Irina doesn't realize that she has handed her father into the hands of a psychiatrist, Dr. Korzunov, who is conducting inhumane experiments that no medical professional would ever accept.