The peaceful and isolated Sotoba village is suddenly overcome by chaos due to the epidemic, where three women find themselves in the midst of the dire situation. Nao Yasumori is haunted by the apparitions of the deceased, Kanami Yano is compelled to keep a hidden truth that could lead to someone dear's demise, and Motoko Maeda is burdened with sorrow as her family gets consumed by the enigmatic illness. With mounting pressure, familial ties are strained, and the slightest mistake could easily shatter the relationships that bind them.