Young Anny returns from school to her circus family, which runs a little venue at the town fair. When Anny suddenly has to fill in for one of the artists, her piano-playing not only enthrals the audience, but also theatre agent Horbes. He casts the whole family for the Apollo theatre in Berlin, where Anny quickly raises to stardom and is offered an engagement from the US.

A feature-length jewish joke: The heavily indebted Sami Bambus fakes his death, so that his debts are taken over by the greedy heirs, led by the scrounger Prellstein. The putative heir also brings speculators to the scene, and the general confusion can ultimately only be reconciled by the summoned uncle Salomon and by Samis' return from the dead.

When registering in a Berlin hotel, the beautiful Lilian realizes that she apparently has a doppelganger: She is arrested as a wanted jewel thief. Lilian decides to find the woman who is preparing her next coup in Nice.