Three sisters Sachi, Yoshino and Chika live together in a large house in the city of Kamakura. When their father, absent from the family home for the last 15 years, dies they travel to the countryside for his funeral and meet their shy teenage half-sister. They decide to take her into their home. Everything initially seems to go well, but as time passes underlying tensions are revealed and the sisters are forced to face up to the complexities of their family’s past..