After suffering a head injury during the London Blitz, theatre actor John Loder comes to believe himself to be the Brighton Strangler, the murderer he was playing onstage.

A Broadway playwright wants to keep on writing plays for his wife to star in, but all she wants is to retire to Connecticut and, following a few 'worlds-apart" discussion of the issue, they get a divorce. The actress marries a banker in a fit of pique only to quickly discover the divorce was not valid. She communicates this information to her not-yet ex-husband and he, to prevent consummation of the invalid marriage rescues her by sending plumbers, waiters, porters, chambermaids, bellhops, desk clerks, exterminators and, finally, a crowd of roistering conventioneers to the suite to ensure no bedtime story would take place there

Socially prominent Michael Ashburn, chief assistant for a London loan broker makes a large loan during a closing time to a man for a pair of earrings. He is unaware that the collateral can not be removed from the ears in which they reside, so then Julie becomes part of the collateral.

Geoffrey Holden (Lloyd Corrigan) is an elderly con-man who is a lovable old man when providing his beloved granddaughter (Gigi Perreau) with the simple luxuries of life, yet has no qualms when working a racket devised to relieve his victims of their property. Trudy Marshall is the governess of the granddaughter, and is in love with a detective (Michael Duane) who is about to expose the old man's unsuspected activities.

A valuable gem from India is stolen in an old dark mansion and it is up to Scotland Yard inspector Charles Irwin to find out who did it among all the suspects who were in the house.

Former jewel thief Michael Lanyard toys with a princess and a grand duke.

England, at the start of World War Two. Mysterious wireless broadcasts, apparently from Nazi Germany are heard over the BBC. They warn of acts of terror in England, just before they take place. Baffled, the Defense Committee call in Sherlock Holmes.