Michael O'Hara (Orson Wells Orson Welles), a sailor who has killed people in Spain, returns to New York, and one night he saves the beautiful woman Elsa (Rita Hayworth Rita Hayworth) who has been robbed on the road, so Elsa asks her husband, lawyer Arthur Bannister (Everett Sloan Everett Sloane) to find Michael and let him come to the boat as a sailor. The Bannister family have just returned to New York from Shanghai and are on their way to San Francisco by boat. When sailing at sea, Michael and Elsa fell in love with each other. And Michael also met Arthur's friend George Grisby (Glenn Anders is acted the role of). When George knew that Michael had killed someone, he wanted Michael to kill another man and promised him a commission of five thousand dollars, and the person he wanted Michael to kill was George himself. It turned out that George wanted to make it look like he was dead, but.