Sly and dry intelligence agent Harry Palmer is tasked with investigating British Intelligence security, and is soon enmeshed in a world of double-dealing, kidnap and murder when he finds a traitor operating at the heart of the secret service.
A recently-deposed "Estrovian" monarch seeks shelter in New York City, where he becomes an accidental television celebrity. Later, he's wrongly accused of being a Communist and gets caught up in subsequent HUAC hearings.
Hapless Henry Palfrey is patronised by his self-important chief clerk at work, ignored by restaurant waiters, conned by shady second-hand car salesmen, and, worst of all, endlessly wrong-footed by unspeakably rotten cad Raymond Delauney who has set his cap at April, new love of Palfrey's life. In desperation Henry enrolls at the College of Lifemanship to learn how to best such bounders and win the girl.
