Three Swedish girls are at boarding school and a bit bored with their lessons, so they travel to Hamburg to have a few adventures. Lil tries to get her teacher, who is staying with his girlfriend, around and the others have fun in the city's red light district. They want to spend the night with their sister, one of the Swedes, who supposedly works there as a secretary. Soon everything ends in turbulent entanglements...

Otto runs a hotel for tourists in Tyrol but has troubles both with the economy and with his wife Olga. After a trip to Stockholm he imports three Swedish blondes who eventually save Otto from disaster, both marital and financial.

Nikki Moser, a blond womanizer, made a deal with the burgomaster. He gave him money to buy a hotel, and for this Nikki should marry his daughter Marianne. And the catch is not even that the daughter of the Bavarian city head is a mulatto, but the fact that Nicky does not want to be bound by marriage to anyone. Buddy Tony throws the poor guy the idea of ​​taking a loan, giving money to the burgomaster and sending him away with his daughter. However, to say is not to do. To knock out a loan is a complicated matter.