Lin Zhen is a hidden strongman who single-handedly destroys enemies and saves the female celebrity Qiu Tong during a crisis caused by a powerful criminal organization. Qiu Tong mistakenly believes him to be a general, developing a fondness for him and asking her agent to find him. However, she discovers that Lin Zhen is just an ordinary security guard, and she feels disappointed. Despite his ordinary identity, Lin Zhen continues to protect Qiu Tong and promises to take responsibility for her. Qiu Tong brings Lin Zhen home, but her family opposes their relationship and plans to marry her off to Zhao Bin. Lin Zhen exposes Zhao Bin's plot and saves Qiu Tong time and again. Gradually, Qiu Tong develops deep feelings for Lin Zhen and begins to suspect his true identity.
