The buildings supervisor Meyer has after many years of fateful service, decided that the time has come to enjoy his retirement.

Karla and Egon are hosting Egon's boss for dinner. The hope is that he will be so impressed with the dinner, that Egon will be promoted to senior assistant and thus elevated into the illustrious 28th. pay grade.

The house on Christianshavn is getting a visit from Harald Jensen, an acquaintance of Larsen from the old days, who decides to move in with his old friend.

Following an argument with her husband, Mrs. Olsen decides to get a job as a bus driver to make a little extra money, something her husband finds very upsetting.

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.

Olsen's son William is in love, and it's now his dads responsibility to tell him about the facts of life.