The curious and somewhat clumsy meerkat brothers Jan & Henry solve an exciting mystery on stage. Constantly on the lookout for new noises, the two super detectives end up in apartment building number five in Schumannstraße. There they meet the girl Lilli and the other tenants. The new janitor is making life difficult for the residents. But there is an exciting secret about the house that needs to be solved. Be there when Jan & Henry get to the bottom of the mystery and embark on a musical mission together with the audience.
