In broad daylight, a robbery takes place in Peterswood, and the owners' jewelry disappears from Norton Villa. The traces of hands and huge footprints indicate that the thief is gigantic. However, in the village, there are only two men with such characteristics: Officer Goon and Colonel Cross – both above all suspicion! The 5 detectives are at a dead end, when Pip has a brilliant idea: to play a prank on his friends, which ultimately leads to the arrest of the culprit!