"Wanted on a charge of murder, Brett Matton, a war veteran, has fled the country to Spain, where he has been living for two years and is engaged to wed Jean Gurney, a former showgirl.FBI Agent Stafford arrives in Spain to arrest Brett and bring him back to the U.S.

On their commercial flight to New York, the passengers include Jean, who bought a ticket at the last minute, and Lord Leverett, a man deranged by his daughter's death.