Yang Fan (Male Lead) is a scientist in search of mermaids, in one of their teams mission, they happen to come across a clan of mermaids. During the encounter, one of the mermaid was captured, but Yang Fan fell into the ocean. He was then saved by Xiao Yu (female lead). Yang Fan wake up in an unfamiliar place with no memories of the accident. He was forced to marry one of the inhabitant (Xiao Yu) of the mysterious place. Yang Fen tried to escape but he can't escape from Xiao Yu . Yang Fen had no choice but to bring his new wife to the city.