Zhang Xiao, a Chinese young woman from the 21st century, accidentally travels back in time to the Qing Dynasty period during the reign of Kangxi Emperor after experiencing a deadly combination of traffic collision and electrocution, resulting her somehow reliving the life of one of her previous incarnations and forcing her to assumes the identity belongs to her past Maertai Rouxi (Liu Shi Shi), the teenage daughter of a Manchu nobleman, who also had a near-fatal incident in her own time which Zhang awakes from.