Emi lives with her husband and father-in-law who run an automobile factory. Due to the recession and the company's management leaning, she became sexless with her husband, and Emi, a woman, was hungry for human skin. One day, Emi encounters the first lewdness in her life on a crowded train on the way to the part-time job. There, Emi felt a lust that outweighed her fear. Another day, Emi, who was sick again, finds out the unexpected identity of the criminal ...