Sid and Bernie keep having their amorous intentions snubbed by their girlfriends Joan and Anthea. The boys suggest a camping holiday, secretly intending to take them to a nudist camp. Of course they end up in the wrong place, and meet up with the weirdest bunch of campers you can imagine! Coach loads of sex-starved schoolgirls and bands of hippies all add to the laughs.

Sir Sidney Ruff-Diamond looks after the British outpost near the Khybar pass. Protected by the kilted Third Foot and Mouth regiment, you would think they were safe, but the Khazi of Kalabar has other ideas—he wants all the British dead. But his troops fear the 'skirted-devils, who are rumoured not to wear any underwear.