A private detective caring for his wife who is suffering from dementia investigates the disappearance of a young girl. Soon, however, he begins digging up the girl's dark family secrets.

The only period comedy written by Noel Coward. France, 1736. Two distinguished families are celebrating the engagement of their children. The young couple are putting on a brave face, but neither is happy. Adrienne, daughter of the Compte, is secretly in love with her father's penniless secretary, while Miguel, the Duke's son, has lost his heart to a dancer in Paris. An unexpected visitor arrives...

When their boss goes off to Vienna to dine with his fiancé, his clerks decide this may be their last chance for an adventure (razzle) and head for the Big City. Zangler must cancel his plans, as his niece has run off with her boyfriend. Naturally, soon everyone is running into everyone else!

A mockumentary charting the life and career of the fictitious British actor Sir Norbert Smith.