A businessman books a Santa Claus with his wife from the student employment service for his children on Christmas Eve. He appears too late and when he realizes that he should only be the mess clown for the children so that they can go to bed quickly, because business friends are supposed to come to dinner, he calls his colleagues.
Cupid, the God of love, gets the order to unite two people. On Earth, Otto fails as a street musician because his guitar breaks. While buying a new string, his hand gets stuck in the purse of Tina, who works at the Dr. Bayerle beauty farm. When she enters the subway, the purse is teared off and Otto is hit by Cupid's arrow. Now he wants to give back her purse at the doctor's conference.
Otto is the only one who is able to save his Frisian fatherland; but he needs the help of his brother, who is abroad. But his brother does not want to fulfill what he has sworn as a child. So it takes Otto a while to convince him while time is running low for his plans to save East-Frisia.
East Friesian Otto moves to the big city Hamburg. There he gets into trouble with a loan shark and needs to find a way to impress his love interest Silvia.
Hartmann, a first-time film director is trying to find an actor for the Role of Casanova. Wenn he meets Alfred Edel, the actor's colourful personality spoils Hartmann's vision of a glorious Casanova epic. In the end, the director realizes that all the time he wanted to make this movie to please his mother, so he decides instead to join Edel's way of having fun.
