Mu Xiaofan, a typical otaku, became obsessed with reading time-travel novels. Unexpectedly, one day she actually wore it. Others traveled to the palace or the palace, but she traveled to the battlefield and was arrested as a "spy". She was almost beheaded by the coach Ren Zhongtian. While on the run, the woman disguised herself as a man and later met a handsome young man named Ren Yifeng. They went into business together and became sworn brothers under the pseudonym Yun Yiyi. Yun Yiyi's identity was exposed, and she fell in love for a long time. Ren Yifeng had a soft spot for Yun Yiyi. Yun Yiyi is hurt by love in contemporary times and does not believe that there is still true love. Ren Yifeng's deep love finally moved Yun Yiyi. Ren Yifeng searched for his biological father and found out that his biological father was Ren Zhongtian. Ren Zhongtian abandoned his wife and unborn baby for the sake of glory and wealth. Ren Yifeng and Yun Yiyi were chased and they jumped off the Wangqing Cliff together. Mu Xiaofan finally traveled back to modern times and met Tong Jiawei, who looked exactly like Ren Yifeng, and the two fell in love.