In order to save a fashion magazine company that was about to collapse, Zhang Yu worked hard to get the popular male model Song Siyuan to be photographed. However, because he had the ability to hear the inner voices of animals since he was a child, he accidentally discovered that Song Siyuan was actually a descendant of the mermaid tribe! The two kept testing each other because of this secret, and after making a series of jokes, their feelings for each other quickly heated up. The relationship that was just one step away from each other underwent a huge change after the arrival of Lan Yu, the leader of the mermaid tribe. In order to stay on land, Song Siyuan asked Zhang Yu to enter into a love contract with him on the condition of signing a contract with VOCO. Zhang Yu gritted his teeth and agreed. From then on, the road to a happy relationship began... The cute heroine who went all the way to the end and never looked back vs. The double-standard and sinister male protagonist who had no bottom and the whole city was used to chase his wife.
