The famous tightrope artist Truxa is drinking at the Artisan bar in New York. He meets a young man, Husen, and gives him his stage name Truxa. He is to take the real Truxa's place at a circus show in Wintergarten, Berlin.
Postman Titus Müller returns from his daily rounds with a letter that will change the course of his modest provincial existence.
A Berlin policeman tracks down a group of diamond thieves in the outskirts by posing as a gang member.