context: A female reporter, Nagako Kita (Machiko Kyo) is fired for writing about police corruption. To make money she hides while a weekly magazine publishes photos of her, and offers a prize to the person who discovers her. A group of three bank embezzlers, So Yamamura, Eiji Funakoshi, and Sotoji Mukui (Fujio Harumoto) employ Mukui's younger sister Fukiko as a fake employee at the bank and plan to make her disappear when the real woman appears again and blame the crime on her.
  When she contacts Mukui about the crime, she finds him dead and Fukiko pulls a gun on her. She contacts the policeman who was fired, who is now a private detective.
question: How does Frankie die?
answer: from side effects of her bulimia