A power-cut in a great apartment building brings the tenants together.

In order to save a friend's daughter, a 17-year-old Jewish girl, from the Ustashas, the Croatian family arranges her to be wed to their son Ivo.

Peter is a pensioner who works for a bank - a department store, more precisely - and his job is to collect debts from the citizens. While conducting his work, he finds the young man Miki to be his reliable assistant, and he inadvertently connects him with the girl named Maja.