Villager Wang Dazhuang never believed in ghosts and gods. In order to replenish the health of his frail pregnant wife, he fished big fish in the river where water monkeys were rumored to exist. Ignoring the villagers' dissuasion, he encountered strange incidents one after another, from nearly drowning to being invaded at home. So he began to explore the truth behind it, and finally uncovered the secret past related to the river.
