A planet is discovered in the same orbit as Earth's but is located on the exact opposite side of the sun, making it not visible from Earth. The European Space Exploration Council decide to send American astronaut Glenn Ross and British scientist John Kane via spaceship to explore the other planet.
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!
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.
