In Sotoba, people continue to die from a mysterious illness. It spreads rapidly and spares no one. All those infected exhibit the same symptoms: sudden weakness, anemia, and followed by a swift death. The epidemic is gaining momentum at an alarming speed. Seisin Muroi and Toshio Ozaki are trying to unravel the mystery of the unusual disease and find its source. Natsuno Yuki is also tormented by questions about everything happening in the village. Moreover, the strange behavior of Sotoba's residents raises new suspicions. And what about the unusual truck from the same transportation company that keeps working at night? Meanwhile, the suspicious inhabitants of the mansion on the hill finally arrive in Sotoba, sparking even greater interest among the villagers with their sudden appearance. Who are they and what fate awaits the village with the arrival of uninvited guests?
