Criminal Gustav Bumke is released early from his prison sentence and returns to the tenement block where he lives with girlfriend Annya. His old colleagues want him to join them on a fresh bank robbery. He is reluctant at first, but when they run into trouble he comes to their assistance. Then, needing an alibi, he goes to a party where he witnesses Annya cheating on him with the photographer Ralph. In the ensuing struggle, his love rival falls to his death. Now wanted for murder, his hiding place is betrayed by his erstwhile girlfriend. Bumke calmy accepts arrest feeling there is more truth inside prison than outside with the dishonest Annya.
