Fisherman Jasper Hale signs a contract to guard Desolate Isle for his sister's surgery. He discovers ancient beasts sealed, realizing he is the Seal Guardian. He slays Winged Fish, tames Taotie, recruits Xiangliu and Kui, repels Qiongqi and Taowu released by Seal Breaker Cult, awakens Mountain Sea Divine Light, slays Outer Realm Demon God, repairs the seal, and allows benevolent beasts to be reborn.