Synopsis
There are 4 sisters, but they can’t see each other except on special days. Takico suddenly calls up all of her sisters in the winter of 1979. Their 70-year-old father has a lover and a son whom they never knew. She couldn't believe it, but a private detective has taken a picture of her father with a woman and a child. They promise not to say anything about it to their mother. In the beginning, they seemed pleasant and peaceful, but their problems and worries start to surface. As Makiko goes to the house of her father's love, the mother sees the door in front of the house. How did she know it? Is Asura is her mother's mind? As the mother sees Makiko, she falls down. Even though she is rushed to the hospital, she never recovers consciousness. The four sisters see their father, who is lonely.