A young man has an affair with an older woman. He is very jealous of her husband and decides that they should kill him. One night, after the husband had plenty of sake to drink and was in bed, they strangle him and dump his body down a well. To avert any suspicions, she pretends her husband has gone off to Tokyo to work. For three years the wife and her lover secretly see each other. Finally, suspicions become very strong and people begin to gossip. To make matters worse, her husband's ghost begins to haunt her and the law arrives to investigate her husband's disappearance.

Amorality in Japan. Tome is born into poverty in rural Japan, in the late 1910s. Chuji, her father, dotes on her; her mother is less faithful. Tome becomes a neighbor's mistress, works at his mill as World War II rages, and has a daughter. After an affair with a mill supervisor, Tome goes to Tokyo to seek her fortune. She leaves the child, Nobuko, in Chuji's care. Tome's a maid at a brothel, learns trade from the madam, enjoys the protection of a businessman whose mistress she becomes, and is soon herself the boss. As Chuji ages and Nobuko grows up with her own ideas, can Tome's self-preserving schemes provide continued comfort? Or will the mice scamper over her?