Overcome with guilt, Willie Abeynaike sits writing his last confession, contemplating suicide. He begins to reflect on his past life, revealing the dark and evil forces in him that ultimately led him to his doom. Years ago, Willie found an ancient manuscript telling of a buried treasure hidden in a jungle cave. To unlock the treasure he must make a human sacrifice of a young woman with special birthmarks. He becomes obsessed with finding the treasure and sets out to find the woman. When he finally discovers her, he marries her and tells her that they must go to a jungle shrine to fulfill a vow. But then Willie falls seriously ill and she (Irene) saves his life by nursing him back to health. By this time, Willie has fallen in love with Irene but his happiness is short -lived. Faced with the prospect of losing his fortune, he becomes desperate and the old thoughts of treasure emerge again. But Willie realizes too late that Irene herself was the only treasure he needed to find (production notes)