Zhu Jinzhao has lived in the shadow of his sister for a long time. After discovering that her boyfriend Jiang Chengjun was having an affair with his sister, he decided to break up, which attracted Qin Yan's attention. Qin Yan had been secretly following Zhu Jinzhao for many years as an anonymous harasser. He showed up after her breakup and the two had sex in a bar. Qin Yan worked step by step, protecting secretly and teasing openly. With his help, Zhu Jinzhao gradually got rid of Jiang Chengjun's entanglement and Zhu Yunxue's control. Under Zhu Yunxue's instigation, Jiang Chengjun continued to harass Zhu Jinzhao, and even proposed to him publicly in a newspaper office, but his true identity was revealed in public.
