Zi Yantong, a modern girl who has the same appearance as Yi Xiao, magically traveled through time and space in her sleep after an exam. She was hunted down by people in the martial arts world with the face of Yi Xiao. The unusual relationship between Xiao and Pei Yi also discovered that he has a "passion for cut sleeves" towards Yan Tong. At this moment, Yi Xiao and Yan Tong exchanged back to their own times. How will Pei Yi, who has already faced his feelings seriously, bring back his beloved?