There has been theft at a watchmaker and the police suspects Larsen, who has an alibi, but the only witness proves hard to find. While being shadowed by the police, Larsen comes up with a traditional Larsen way of create a new and perfect alibi.

• Erik Balling
• Tom Hedegaard
• Ebbe Langberg

• Poul Reichhardt
• Kirsten Walther
• Paul Hagen