Franz is by far the smallest in the class, has blond ringlets and gets a high-pitched squeaky voice when he gets upset. Luckily, two best friends help: Gabi and Eberhard. When Franz discovers Hank Haberer's "10 rules for a real man" for himself one day, turbulence is inevitable and the friendship of the three gets into trouble.

Tales of Franz

The summer holidays from Franz are starting badly as his 2 best friends don't talk to eachother anymore. An investigation and adventurous chase of a thief in the neighborhood brings them back together.