TV personality Robert Danvers, an exceedingly vain rotter, seduces young women daily, never staying long with one. He meets his match in Marion, an American, 19, who's available but refuses any romantic illusions.
Ao voltar para casa, o executivo Harold Pelham (Roger Moore) sofre um terrível acidente de carro. Levado às pressas ao hospital, ele fica clinicamente morto por alguns minutos, mas logo retorna à vida. Após ser liberado, ele percebe que alguém está usando seu nome e que esse estranho compartilha sua casa, toma decisões nos seus negócios e infiltra-se em sua família. Apesar de todos os esforços para descobrir a identidade do intruso, Harold fracassa: o impostor possui uma personalidade volátil, agressiva e não perde tempo em deixar claro que planeja se livrar dele e assumir para sempre o seu lugar.
A successful talent agent enjoys the good life until his wife leaves him. Moving in with his friend and igniting an affair with the man's wife, he also acquires a difficult new client whose public image must be preserved at any cost.
Following the wedding of young Jenny Piper and Arthur Fitton (Hayley Mills and Hywel Bennett), a rowdy reception is held at a local pub where the newlyweds are subjected to much well-meaning but vulgar ribaldry. The couple returns to the Fitton home to spend their first night together before leaving for a honeymoon in Majorca, but they are followed by some of the wedding guests who keep the party going until early morning. Worse yet, when the youngsters finally are permitted to retire, their bed collapses as the result of a practical joke.
The dining room of the Jolly Fiddler has long been presided over by Albert, an aged but very shrewd waiter. A past master of the gentle art of fiddling, he extracts the maximum profit from his job while managing to endear himself to both the customers and staff. Then, there's a visit from Mr Finch, who feels it's time Albert was replaced.