Robert Müller has wanted to be a comedian since he was a kid, but he's only made it as a car salesman so far. This is about to change when he takes part in an open-mic show. He puts the program together with his imaginary friend, the stone-age Caveman. Then his girlfriend Claudia breaks up with him...

Café assistant Caterpillar performs at an open mic night hosted by her boss, Moth!