A search is on for stolen diamonds and a government agent has been killed trying to recover them. When an unsuspecting William Beddoes arrives in Lisbon on behalf of an American bank, he is mistaken for the dead agent's replacement. 　　Hatton-Jones of the British embassy comes to Beddoes' aid. Also taking an interest is Aurora Celeste, the dead man's lover, as well as Steve Antoni... (展開全部)