Mr Goon is off on holiday and P.C.Pippin is his replacement until he returns. The Find-Outers decide tohave a little fun with this new P.C. and so make up a little mysteryfor him. But the clues they leave put P.C. Pippin right at theforefront of a real mystery, when he finds the manager of the LittleTheatre unconscious and slumped over his desk, and the safe open andempty. The Find-Outers are soon on the case, interviewing suspects andlooking for clues, but sadly for them, P.C. Goon returns to Peterswoodand takes over the case from Pippin, and he is convinced that thePantomime Cat is guilty of the crime. The Find-Outers have other ideasand set about trying to solve this mystery as quickly as possible.