Japanese drama following the family life of three sisters who live together in the quiet coastal town of Kamakura. Sisters Sachi Haruka Ayase, Yoshino Masami Nagasawa and Chika Kaho have lived together in their late grandmother's house since their father abandoned them to elope with another woman. When the three sisters receive word of his death they reluctantly travel to attend his funeral. There, they meet their 13-year-old half-sister Suzu Suzu Hirose and quickly invite her to move in with them in Kamakura. But their idyllic peace is shattered when the sisters' mother, Miyako Shinobu Ohtake, returns, having been absent for the past 15 years.