Five years after losing her husband to illness, mother Kana has found purpose in life as a Japanese classical dance instructor and in raising her daughter Yui as her sole mission. Just as the mother-daughter duo begins embracing new happiness through remarriage, a sudden tragedy shatters their world. While on her way to school, Yui is abducted and gang-raped by a group of Black men. The brutal assault leaves deep emotional scars on Kana's heart. Faced with a direct threat to her own body, Kana stands firm in her resolve as a mother to protect her family. For the sake of her family's safety and their future, Kana makes a new determination and resolves to face the present with courage.