Walter poses as a detective to impress his girlfriend and ends up having to fend off thieves who try to steal her father's valuable diamond, kept on board his houseboat.
Production companies：
British Super Comedies
·
Wardour Films
·
Overview：Walter poses as a detective to impress his girlfriend and ends up having to fend off thieves who try to steal her father's valuable diamond, kept on board his houseboat.
