In Singapore, a private detective and the British authorities are on the trail of a crime syndicate that kidnaps a nuclear physicist with the aim of selling him to the highest bidder.
Etienne makes a good living out of marrying off poor but titled young men to rich but untitled young ladies. Millicent is now in his sights on the Riviera, and Grand Duke Gaspar is the bait. But what if Millicent starts to fancy planted chauffeur John instead, and Gaspar takes a shine to Etienne's secretary Janine?
An American army officer working for British intelligence comes to post-war Berlin to solve a murder. His investigation is compromised when he falls for a nightclub singer, not realising she is an agent of the criminal mastermind he is on the trail of.
