Eriko, a mother who has been accustomed to living alone with her only son, Koichi, for three years after losing her husband. One day, when the peaceful days continued, a ridiculous sight jumped into Eriko's eyes. Housewife friends Fumie and Koichi are hugging each other half-naked! It feels like someone has robbed my beloved son ... and he's an old friend I trusted. Doubly betrayed sorrow and anger drive Eriko into unexpected actions ...
