The sinister Dr. Watt has an evil scheme going—he's kidnapping beautiful young women and turning them into mannequins to sell to local stores. Fortunately for him, Detective Sergeant Bung is on the case, and he doesn't have a clue!
Two Britons—inventor Hengist Pod, and Horse, a brave and cunning fighter—are captured and enslaved by invading Romans and taken to Rome. One of their first encounters in Rome leaves Hengist being mistaken for a fighter, and gets drafted into the Royal Guard to protect Cleopatra.
Sid and Bernie keep having their amorous intentions snubbed by their girlfriends Joan and Anthea, so when they decide to take them on a holiday to Paradise Camp, they think they're off to a nudist colony—but they couldn't be more wrong, and meet up with the weirdest bunch of campers you can imagine.
