As the epidemic terrorizes the quiet, secluded village of Sotoba, three women find themselves caught in the escalating crisis. Nao Yasumori is tormented by visions of the dead; Kanami Yano must keep a secret, risking the loss of a loved one; and Motoko Maeda endures insurmountable grief as the mysterious illness spreads through her family. With rising tensions testing the limits of family bonds, even the smallest mistake can easily sever the ties that bind.