Singer Harry Kurtz has landed a big hit. After twenty unsuccessful years he and his brother and manager, Tommy, become famous with a remake of Franz Lehar's "Dein ist mein ganzes Herz". When their car brakes down at night and the successful brothers end up in a remote house, Tommy knows they're in store for trouble. For, Harry Kurtz loves beautiful women, and Stella is right up his alley. With Stella's husband asleep, Harry visits Stella's room ...