In 1979 Tokyo, four distinct sisters uncover their aging father's affair, causing their happy facades and bottled-up emotions to slowly unravel.

• Rie Miyazawa
• Machiko Ono
• Yu Aoi
• Suzu Hirose
• Masahiro Motoki
• Ryuhei Matsuda
• Kisetsu Fujiwara
• Seiyo Uchino