Wealthy Prince Zawi gives surgeon Robert Sandy a diamond for saving his life. The diamond is extremely valuable and, as a precaution against it being stolen, Robert hides it in a very safe place indeed. However, whilst he and his wife are out, the house is robbed and the diamond is stolen. Next day a colleague of Robert's is operating on a woman who has swallowed something unusual - Robert's diamond. So how did it get inside her?

Albert Dobson is a very good verger who has served the church for years. But when the modernising new vicar discovers Albert cannot read or write, he soon leaves him no choice but to resign. Albert and his wife Milly face an impoverished unwanted retirement, until chance gives Albert the idea of opening a quality tea shop. But can they make a go of such a shop in a modern world that seems to have little patience for their old-fashioned approach?

Young Nicholas Lillie has led a sheltered rural existence, but when he does well in the county fencing competition he is selected to play in the championships in London, much against the wishes of his narrow-minded father. Along with his fencing teacher and headmaster he goes to the big city but loses the contest to champion James Barron-Irvine, who admires his performance and takes him for a night on the town. Here he meets the lovely Zoe.

Ten years previously the rich but gauche Babs Colport was persuaded by her friend Holly to hire and meet gigolo Dominic in a hotel bedroom. At the same time the equally bashful provincial solicitor Jeremy Tyler came to the hotel and was set up by Giles, an old school mate. A series of musical beds followed but with a happy outcome as, ten years later, a married couple return to the location where they first met.

Married Ken Johnson runs a charter plane service with his lover and air stewardess Lilian, who indulges in a little smuggling on his behalf. Then disaster strikes for him, as his wife discovers the affair and Lilian says she is leaving him for another man and the smuggling will end. In a rage he kills her and disposes of the body. But to his astonishment she appears to come back from the dead and ensures that justice catches up with him.

Yves Drouard is a rich businessman with a bitter wife and a pretty mistress who is carrying the child he's always wanted. He comes up with a seemingly perfect murder plan for his wife that will give him a watertight alibi. But even a clever man cannot anticipate everything.

Elly Somerton is working for the summer as a hotel receptionist. She is intrigued by Max Kelada, a roguish archeology professor who is disarmingly honest with her about the tricks he uses to get women into bed. But when a rival of Kelada attempts to humiliate him, it turns out that Mr. Know-All may not be the heartless seducer he professes to be.