Wu Lili, an 18-year-old female high school student, mustered up the courage to confess her love to her math teacher Xiao Bo, but was not accepted by the teacher. In despair, Lili jumped from the 5th floor of the teacher's office building...
Unexpectedly, this jump brought her back to the Kangxi period of the Qing Dynasty, and she became Qingyun, the daughter of Wang Hongxu, the minister of household affairs who was in a coma due to heatstroke. The first person she saw when she opened her eyes was her brother Wang Boyan who looked exactly like Teacher Xiao Bo. She was sad but also happy because of her brother's double love. Her love still continues. Is she in love with Xiao Bo or her brother? Just when she was confused, Emperor Kangxi drafted a girl, selected her into the palace and named her Concubine Yun~~ The frequent meetings between the brother and sister and the subtle changes in their relationship were seen by the attentive Concubine Dai...