In the year 1983, Hinamizawa finds itself isolated due to a dangerous virus outbreak. Keiichi Maebara, alongside his companions Mion Sonozaki and Rena Ryuuguu, grapple with fear and confusion amidst the chaos. As the villagers scramble to contain the virus, drastic measures are contemplated, prompting Keiichi and his friends to seek a means of breaking free from the village's confines. However, escalating tensions push the group to their limits, risking not just their physical survival but also unveiling adversaries both known and hidden in a life-and-death struggle.