In this feature film version of the popular BBC sitcom, the staff of Grace Brothers go on holiday to Costa Plonka, where they find themselves in the middle of a revolution.

Life is never dull where Lord Brett Sinclair and Danny Wilde are concerned. But who would expect dire danger, hilarious though it may be, to face them in one of Brett's baronial homes? Even more unexpectedly, murder and black magic take place when Danny decides to own his own little piece of England and buys a tumble down old cottage. The old mansion, Greensleeves, has been in the Sinclair family for generations, but has been unoccupied for a long time except for an aged butler named Moorehead. It is only by chance that Brett discovers that it has been restored without his permission. He and Danny decide to investigate and, entering through a secret tunnel, find a letter addressed to a theatrical agent asking him to an actor who resembles Brett. Brett promptly poses as the actor and gets the job of impersonating himself. Danny and Brett have a lot to overcome before Danny can enjoy his little piece of England!

The movie takes place during WWII. A dashing British RAF Officer is earmarked for a secret mission behind enemy lines in occupied France, but wishing to distract the enemy, enlists a person to double for him and thereby draw attention to North Africa . An unlikely airman is found and tutored in the ways of an English officer.

Unknown to everyone but his shady Middle Eastern bosses, watchmaker Hawkins is actually a professional hired assassin with a predilection for killing his targets with bombs. After disposing of a dictator and millionaire, Hawkins is assigned to kill a politician who is heading to a remote hotel, The Green Man, for a secret tryst with his secretary. There, however, Hawkins' plot is discovered by vacuum salesman William Blake, who determines to stop him.

Cowardly rogue Harry Flashman's (Malcolm McDowell) schemes to gain entry to the royal circles of 19th-century Europe go nowhere until he meets a pair of devious nobles with their own agenda. At their urging, Flashman agrees to re-create himself as a bogus Prussian nobleman to woo a beautiful duchess. But the half-baked plan quickly comes unraveled, and he's soon on the run from several new enemies who are all calling for the rapscallion's head.

Jailed for his role in a gang heist and ditched by its female leader (Jayne Mansfield), a widower (Anthony Quayle) decides to keep the loot.

A Roman Catholic priest defies a Mexican bandit whose gang kills villagers in alphabetical order.

Two young journalists simulate a murder, but the scheme backfires when the mock victim disappears.