Synopsis：A small quiet village by the Yellow River ushered in a series of disasters as a floating coffin appeared out of nowhere. People start going missing mysteriously… The head of the Zhao family, a family of water spirits, took people into the water to investigate, but the water spirits did not survive, and he was also seriously injured. Thirty years later, a disaster struck, the village’s livestock died, the floating coffin also appears. The village head decides to use the old and sick people of the village as sacrifice to the river. The young master of the Zhao family, Zhao Bai, who is rebellious by nature, befriends the Chen family, who are suffering from a strange genetic disease and have a short life span, during his coming-of-age bash. In order to save the old and the sick, and to stop the village from being further threatened by the mysterious floating coffin, Zhao Bai resolutely embarks on a dangerous journey with the mysterious Chen family.