'Rocks' Owen, the well-off owner of a car-hire business, is found murdered; the last place he was seen alive was the Blue Parrot nightclub. Scotland Yard go in to investigate, with the help of a visiting American detective and a nightclub hostess who may not be all she appears to be.
In Victorian London, young Adelaide is born into luxury, but marries starving artist Henry. His alcoholism and their lack of money lead to many quarrels. During one such fight, Henry slips down a flight of stairs and dies. A neighbor, Mrs. Mounsey, is the only witness, and she blackmails the young widow by threatening to tell the cops that Adelaide killed her husband. Luckily, lawyer Gilbert swoops in to help Adelaide.
Phillipe, the son of an ambassador in London, idolizes Baines, his father's butler, a kind of hero in the eyes of the child, whose perception changes when he accidentally discovers the secret that Baines keeps and witnesses the consequences that adults' lies can cause.