Childhood friends Tommy and Tuppence meet in London after having served in World War I. Recently "demobed", short of money, and with no job prospects, they decide to become adventurers for hire. Soon, they are employed by the British Government to locate a secret treaty signed before the war.
Gary and Ell (a married man with an inferiority complex, and a grieving young widow - respectively) meet on a blind date only to wind up stealing a killer's car along with a dead body and $40,000.