The richest man in North City, Bo Ting, has been searching for her for many years, and finally reunites with his young Bai Yueguang Qiao Yumeng. However, by mistake, he mistakenly identified the person he was proposing as her twin sister Jiang Yuyao. In order to protect her beloved, Qiao Yumeng changed her name and accidentally became Bo Tingshen's personal bodyguard. She watched him and her sister having sex every day, and her heart felt like a knife. But Bo Tingshen's heart seemed to have memories. Even if his face was disguised and his identity was changed, his eyes, his heartbeat, and his subconscious protective desire were only for her every time.