Jiang Yu grew up in Yangcheng, a city with continuous rain all year round. She inherited all her grandfather's inheritance, but was locked up in a wooden building by the Song family, pretending to be crazy and living a miserable life, leaving her to rot on her own. In order to seek revenge, she left the old house and set her sights on He Lian, the prince of Jinzhou, and set up a trap for him.