A group of teenagers on a school field trip to investigate the local legends of monstrous "Beast Gods" find themselves suddenly transported to a strange and dangerous parallel world populated by creatures called Digimon. Stranded and hunted by hostile monsters, the students form bonds with Digimon partners of their own and struggle to survive while searching for a way home. As tensions, fear, and hard choices test the group, they must confront the mysteries of this world, including the truth behind the fog that threatens to consume them all.