Poor weavers Hans (Horst Drinda) und Kumpan (Werner Lierck) try to enter a town surrounded by a tall, impenetrable wall, where everyone is apparently very happy.

Smart Max and his friend Tüte are excited about a robot who has many talents, including a gift for mathematics. They steal the robot from an exhibition and take him home so he can help with their homework.

The classic Grimm's fairy tale with socially critical overtones in its analysis of work and exploitation.