Paul Bubach, a charming middle-aged man, meets older women and convinces them to sell their belongings to move with him to the island of Madeira where they can spend a second youth. Inspector Derrick finds that this story presents an unclear point, however: neither of the women seduced by Bubach ever made it to Madeira, indeed both have disappeared without a trace. Even Kläre, Bubach's niece, cannot imagine that her beloved uncle could be a murderer. In the absence of any clues, Derrick is forced to wait for something to happen...