Police chief Horst Krause is retired. Together with his sister Elsa, he takes care of the inn in Schönhorst. But none of that makes him happy.

On a summer evening the circuit of the village policeman Krause suddenly went crazy. His doctor immediately prescribed a cure on the Baltic Sea for him. And so Krause and his sisters set off in the legendary "Dübener Ei". In the sanatorium he meets his roommate Rudi - an encounter with far-reaching consequences.

Police chief Krause celebrates Christmas every year with his two sisters. However, this year everything will be different.

Horst Krause tries to successfully couple his young cook.

Horst Krause still can't believe that his sister Meta moved to Cologne because of love. When a stranger surprisingly asks for a room, some excitement returns. Albert has been abandoned by his wife and does not know how to proceed. But why does the sailor end up in Schönhorst of all places? Strange hints awaken buried memories - could it be that the liaison that Krause had with a circus artist in the summer of 1961 was not without consequences?

Krause and Elsa are stunned: their sister Meta wants to get married. She chose the Cologne taxi driver Rudi Weisglut, whom she met two years earlier during Krause's cure on the Baltic Sea.

Police chief Horst Krause and his sister Elsa have been looking after the inn in Schönhorst in Brandenburg since his well-deserved retirement. It would be all good if Elsa wasn't suddenly so forgetful.

This time, Krause is scared when there are changes all around the village. How can he stop the passage of time?