Student Valentin Shvedov had the chance to experience two worldly wisdoms in his lifetime. The first is “don’t swear off money or prison”... The beautiful Christina is in love with Valentin, and he is going to marry the shy Lida. However, during a date in the park, Lida is killed by two thugs. Valentin catches up with one of them and beats him to death. In the zone, a former student, unfamiliar with thieves' laws, falls into the category of "thieves." The local authority Arturchik becomes his personal enemy... The second wisdom is “the ways of the Lord are mysterious”... Having been released, Valentin meets the beautiful Christina and again gets into a tough mess: severely beaten, sitting with his hands tied in a dark basement, he finds out who the second killer was his bride and who ordered the massacre...