Shi Mo (played by Zhang Jiayi) and his wife Qixia (played by Wang Haiyan) have been married for many years. They have raised a son and a daughter together. However, behind the appearance of a peaceful life, Shi Mo hides an astonishing secret. It turns out that Shi Mo's daughter (played by Fu Mei) is not Shi Mo's biological daughter, but the daughter of drug dealer Huo Zhongshi (played by Ni Dahong). Now, Huo Zhongshi, who has been arrested, is about to be released from prison, and Shi Mo's life will change dramatically. After being released from prison, Huo Zhongshi has no desires and his only hope is to find the missing child. However, after several twists and turns, the child's life experience and the truth of the incident have become more and more confusing. In the misunderstanding, Huo Zhongshi regards Shi Mo as the culprit of all tragedies, and then launches a crazy revenge on him. Under the fierce offensive, Shi Mo not only has to protect himself, but also protect his family from harm.