The ship arrives in Copenhagen and after a long time at sea, most of the crew are eager to go ashore. But who wants to take the very young navigator cadet with them? He who thinks only of food and a special young girl. During their visit to the girl, they are mistaken for businessmen whom the girl's father has been waiting for, which really sets the ball rolling.

The action takes place in a theater, where actor and theater director Poul Bech is shot by his co-star Eva Berthelsen in the middle of a premiere. The script says he should be shot, but not with real bullets! Everyone at the theater seems to have a reason to want him dead. However, another murder must be committed before the killer can be found.