Three years ago, Zhang Zhengyi's master Lin Zhenzhao was betrayed by his wife Leng Ruoshuang and cousin Lin Jianzhao, and was hunted down. Zhang Zhengyi was saved by the Liang family and got to know Liang Xiaoye, the daughter of the Liang family. Three years later, in order to take revenge, as well as to clear up misunderstandings and rescue his junior sister Lin Yiyi, Zhang Zhengyi adopted the alias Gu Cheng and came to the Lin family to seek revenge on Lin Jianzhao.
