On the way to Warsaw after a crude oil fraud in southern Poland, conman Adam Deren meets singer Liza. He decides to invest his money in a venture deemed to be a failure - a small cabaret where Liza could perform.

A boy escapes from a reformatory, but comes again into conflict with the law. During a robbery he hits a woman with a bottle on the head. He is convinced he killed her and because of his past thinks that nothing matters anymore. Only when he finds out that the victim did not die, he reveals the truth about what happened.