A strange meteor crashes outside a small Icelandic village just after their annual Mothra festival, suddenly bringing the remote town to the attention of a dying trillionaire. As he seeks the secrets to eternal life in the crater, twin villagers Astrid and Aurora deal with the death of their festival-organizing grandmother. But what is waiting to seep out into the village, and who could defend it? It's a cycle of death and rebirth in Godzilla Rivals: Mothra Vs. Hedorah!