Underwear Affair(アンダーウェア・アフェア)

In a present, Asako, a housewife, lives with her 5-year-old son in a country side, separated from her husband who runs kindergarden. When she was young, she lives with her mother and young sister in a tiny and dirty apartment. A scar on her thigh, underwear, smell of those places... One day, those elements of her two different times comes cross strangely.