 The stooges apply for job as  Yard Men  at Scotland Yard, thinking they ll become detectives, but instead wind up as gardeners. When they accidentally see a memo about the theft a famous diamond, the boys decide to go after the crooks. They find the crooks, but Shemp accidentally swallows the diamond which was hidden in a bowl of candy. The bad guys want to cut the diamond out, but the boys foil them with the help of a friendly gorilla.