Die drei ??? und der Karpatenhund

After their last case in a Romanian castle, Justus, Peter and Bob are known as detectives in Rocky Beach. But instead of looking for escaped cats, they want to solve real mysteries. At last there is an exciting case: mysterious things are happening in Mr Prentice's flat - loud noises, vibrating objects and a theft. A valuable crystal sculpture, the Carpathian dog, has disappeared.