The film interprets the folklore of Hongluo Lake in northern China. The three-headed water monster ravaged Hongluo Lake, destroyed the village fort, and displaced the tribes. A young man named Da Xin in the tribe was looking for a peaceful place to stay away from his hometown. The hardships and ups and downs along the way brought disappointment. Finally, with the help of the Red Conch Fairy, he knew what a happy land is, and he decided to fight to the death.