Maks, who is doing corrective work in the hospital, suddenly receives strange messages on his phone. An unknown person is ready to help him with the payment of a large debt to the criminal world. Maks soon realizes that the messages are mysteriously coming from a comatose man in whose room he is mopping the floors. Flatliner offers to dump significant amounts on Maks's phone if he does his errands. And Maks decides to try, not realizing what consequences this will lead to.