The man Chisato, who lives with her only son Akihiro, chose as her remarriage partner was an abnormal libido. A good husband, Chisato is at the mercy of the distorted desires hidden under that mask. Her husband's insane desire to gradually encourage her son Akihiro. The love-hate drama of the body intertwining like insects wriggling in the depths of the earth gradually draws an incest picture of masochism, while Chisato's reason quietly and quietly breaks down between mother and woman.
