After her husband suddenly disappears, leaving her responsible for his debts, Kozue is forced into a life of extreme poverty, unable to even afford basic clothing. Her son Daisuke skips school to work part-time jobs, struggling to support the family. Every day, debt collectors appear at their door, shouting and threatening, leaving Kozue emotionally shattered and terrified. One day, Daisuke begins acting strangely, and the family is thrust into a dramatic event that will change their lives forever.