Gu Yun'er, a renowned master doctor with unparalleled skill in the 21st century, was chased into the wilderness. During a chaotic battle, she was struck on the head with a wooden stick, accidentally opening a portal through time and space. Her soul transmigrated to ancient times, possessing the body of Ling Xiangjun and becoming the new Ling Xiangjun. To her surprise, Ling Xiangjun discovered that Mu Yunzhi looked exactly like her first love, Ye Muchen, who had died trying to save her. To make up for her regrets towards Ye Muchen, Ling Xiangjun placed her feelings on Mu Yunzhi, falling deeply in love with him. Despite Mu Yunzhi's numerous challenges, Ling Xiangjun never wavered, repaying him with the utmost warmth and sincerity.