A lock factory worker Pertti would like to marry his girlfriend Verna, but fears they don't have enough money. His brother Martti is a member of a youth gang that is planning a robbery with three other young men. When the boys have to flee at the time of the robbery, Pertti who secretly shadowed them sees an opportunity to solve his money problem.

St. Peter's announcement interrupts the Welcome to Morning Coffee radio program. He asks people for help because he does not know whether private detective Uljas Uriel Vaaksanpää has died or is still alive. The strange events are followed from the perspective of different characters.