Two young men, Martin and Rudi, both suffering from terminal cancer, get to know each other in a hospital room. They drown their desperation in tequila and decide to take one last trip to the sea. Drunk and still in pajamas they steal the first fancy car they find, a 60's Mercedes convertible. The car happens to belong to a bunch of gangsters, which immediately start to chase it, since it contains more than the pistol Martin finds in the glove box.
An outgoing young girl and a square stockbroker meet on a park bench in Boston and are mistaken for international spies and chased by both sides.
A Bronx working girl is drawn into an elaborate extortion plot after being kidnapped by a gang of sophisticated con men who force her, because of her remarkable resemblance, to impersonate a wealthy socialite. Based on E.V. Cunningham's (Howard Fast's) novel, "Shirley."
Amidst the French revolution, Citizen Robespierre is beheading the aristocracy! When word gets to England, noblemen Sir Rodney Ffing and Lord Darcy Pue take it upon themselves to aid their French counterparts. Sir Rodney is a master of disguise, and becomes 'The Black Fingernail' scourge of Camembert and Bidet, leaders of the French secret police.
Francis Bigger, a notorious charlatan who tours the country lecturing on the subject of mind over matter, slips off the platform in the middle of his performance and ends up in hospital under the care of Dr Tinkle. The hospital is about to enter a period of total chaos.
Five oddball criminals planning a bank robbery rent rooms on a cul-de-sac from an octogenarian widow under the pretext that they are classical musicians.
New York, 1929, a war rages between two rival gangsters, Fat Sam and Dandy Dan. Dan is in possession of a new and deadly weapon, the dreaded "splurge gun". As the custard pies fly, Bugsy Malone, an all-round nice guy, falls for Blousey Brown, a singer at Fat Sam's speakeasy. His designs on her are disrupted by the seductive songstress Tallulah who wants Bugsy for herself.
Comic mayhem ensues when two lovely blondes, Dee and Dawn, are mistaken as international mob killers.
A panda named Pancada, who works at a boxing club, wishes to become a dancer but gets caught up in an upcoming fight due to a case of mistaken identity.
Marsha Meredith, an attorney-at-law, is nominated for a federal judgeship, but her nomination is opposed by a 'Good-Government' group that thinks her divorce makes her unfit for the job. This evolves into situations, happening in Florida, New England, Washington D.C., and the Adirondacks, such as the misunderstood husband trying to win back his wife, and the misunderstood wife trying to make her husband jealous, and one case of mistaken identity after another, after another.
Showman Jerry Travers is working for producer Horace Hardwick in London. Jerry demonstrates his new dance steps late one night in Horace's hotel room, much to the annoyance of sleeping Dale Tremont below. She goes upstairs to complain and the two are immediately attracted to each other. Complications arise when Dale mistakes Jerry for Horace.
When a Harvard-educated CIA agent is killed during an operation, the secret agency recruits his twin brother.
Mario, a young philanderer, receives 13 antique chairs in a bad state by inheritance and decides to sell off them to get some money. Afterwards he gets to know that one of them contains documents worth a lot of money. So he begins an adventurous trip to regain possession of the chair. On the way he meets many strange people who would like to help or to swindle him.
El Mariachi just wants to play his guitar and carry on the family tradition. Unfortunately, the town he tries to find work in has another visitor, a killer who carries his guns in a guitar case. The drug lord and his henchmen mistake el Mariachi for the killer, Azul, and chase him around town trying to kill him and get his guitar case.
An American gets a ticket for an audience participation game in London, then gets involved in a case of mistaken identity. As an international plot unravels around him, he thinks it's all part of the act.
Viola Hastings is in a real jam. Complications threaten her scheme to pose as her twin brother, Sebastian, and take his place at a new boarding school. She falls in love with her handsome roommate, Duke, who loves beautiful Olivia, who has fallen for Sebastian! As if that were not enough, Viola's twin returns from London ahead of schedule but has no idea that his sister has already replaced him on campus.
Lawyer Fan Kam-man believes that his wife Chun Yuen-yung perished in a plane crash three years ago and walks down the aisle again with Yan Bik-kei. In fact, Chun survived a crash-landing on a deserted island with fellow passenger Wong Ah-lik, a biologist. Returning to civilisation, Chun sabotages their wedding night at the hotel. Overjoyed with her safe return, Fan pulls off a feat with his mother and wife to terrify Yan into divorcing him. However the lie is exposed when Wong shows up. Unyielding, the women settle to serve as wives to the same man. Mistaking Fan for the person Chun is going to see, the eavesdropping Yan goes to the date in her stead and unwittingly sleeps with Wong. Yan finally settles for Wong, putting an end to the topsy-turvy.
A lowly pencil pusher working for MI7, Johnny English is suddenly promoted to super spy after Agent One is assassinated and every other agent is blown up at his funeral. When a billionaire entrepreneur sponsors the exhibition of the Crown Jewels—and the valuable gems disappear on the opening night and on English's watch—the newly-designated agent must jump into action to find the thief and recover the missing gems.
Jon and Garfield visit the United Kingdom, where a case of mistaken cat identity finds Garfield ruling over a castle. His reign is soon jeopardized by the nefarious Lord Dargis, who has designs on the estate.
Marisa Ventura is a struggling single mom who works at a posh Manhattan hotel and dreams of a better life for her and her young son. One fateful day, hotel guest and senatorial candidate Christopher Marshall meets Marisa and mistakes her for a wealthy socialite. After an enchanting evening together, the two fall madly in love. But when Marisa's true identity is revealed, issues of class and social status threaten to separate them. Can two people from very different worlds overcome their differences and live happily ever after?