After losing their father in the Boer War, orphaned brothers Harry and Davy must leave their home in Scotland to live with their grandmother and cantankerous grandfather in Nova Scotia. The boys want nothing more than a pet dog, but their grandfather refuses to get them one. Then, when the brothers find an abandoned baby, they decide to keep it – but the foundling may not have been abandoned after all.

Set in 1931, the film takes place aboard a merchant ship, briefly harboured in South America. A young woman (Diane Cilento) boards the ship as a passenger, resulting in disharmony among the superstitious crew members. Virtuous seaman Anthony Steel protects the girl from the lecherous advances of captain Peter Finch.

The suburban peace of the Bentley household is shattered when John Bentley is informed by his wife Stella that their two married daughters, Pat and Corrine are in trouble and need funds to come home and bring their husbands, Peter, a penniless Parisian artist and Barnaby, a Texas cowboy, with them. And the youngest daughter, Gwen, has tricked an American singer, Bobby Denver, into visiting them on the pretext that it is the home of a noted British film magnate. When all the women in the household --- including the maid --- fall for the singer's charms, Bentley consults a crackpot psychiatrist, Dr. Schneider, who almost succeeds in ousting, not the singer, but Bentley's wife, with his advice to Bentley to make her jealous by living it up with Pearl, a showgirl recruited for the purpose.

A wealthy young man from Yorkshire visits a London nightclub and meets a performer. She decides to take him for every penny he is worth, and he decides to let her.