Three women, each facing troubled marriages, unite after one confesses to killing her husband, leading them on a path of revenge and self-discovery as they fight to reclaim their happiness.

Japan, 2024. The Earth is dominated by a mysteriously giant creature (That Thing) and the group of 12 survivors has formed an uneasy community out of necessity to survive Two years later, Hirayama, the hotel owner, is found dead. Is it suicide or murder? As they search for the truth behind his death, the past and the secrets of each individual are revealed.