Miyuki is in her years of marriage and is truly loved by her husband. However, she feels bored with this peaceful life, and on the spur of the moment, she has an affair with another man. One day, Miyuki's husband accidentally witnesses the affair, and in a fit of rage, he fucks her and then left. She gradually releases her deep regret over her husband by finding her true self through counseling with a psychiatrist who used to be her late husband's friend. It is a new way of life, that in chains.