In San Francisco, the sportsman Kay Hoog tells to the members of a club that he has found a message in a bottle with a map from a Harvard's missing professor telling about a treasure of an Inca lost civilization still alive. He decides to go to Peru to seek the gold. However, members of the secret criminal organization The Spiders leaded by Lio Sha break in Kay's mansion during the night and steal the map. Kay Hoog travels to Peru, where he retrieves his map and a document about the Diamond Ship from The Spiders. Later he saves the Priestess of the Sun Naela and brings her to San Francisco. However, The Spiders kill Naela and Kay Hoog promises revenge for the death of his love

老实勤恳的克劳斯（爱德华·罗宾逊EdwardG.Robinson饰）是一名出纳，平日里，他最大的爱好就是画画，然而，克劳斯从来就没有想过靠出售自己的作品赚ccc。某日，克劳斯遇见了名叫凯蒂（琼·贝内特JoanBennett饰）的女子，虚荣心的驱使之下，他向凯蒂谎称自己是一名画家。r凯蒂有一个交往多年的男友强尼（丹·德亚DanDuryea饰），对于强尼来说，凯蒂不过只是他谋取利益的工具罢了，而克劳斯则成为了凯蒂的摇钱树。一直对克劳斯的身份有所怀疑的强尼拿着克劳斯的画去卖，没想到居然得到了美术评论家的一致认可，凯蒂更是声称自己就是这些画的作者。克劳斯向凯蒂求婚，却遭到了后者的无情嘲笑，一怒之下，克劳斯起了杀念。

加里·库珀似乎被误认为是一名原子科学家（阿尔瓦·杰斯珀教授），他被OSS派到欧洲去营救其他被迫与纳粹原子弹项目合作的科学ddd。在任务期间，他卷入了意大利的斗争，爱上了勇敢的吉娜（莉莉·帕默）。