Jasmine bought a jasmine hairpin, but by chance she met Qingyi, an ancient courtesan.
As the relationship between the two gradually deepens, the way they meet changes from dreams to synaesthesia to Qingyi through time travel.
Until one day, Qingyi lay next to Jasmine and told her, "I am the best at serving women."
Only then did Jasmine realize that the courtesan's skills were not in vain.
Purpose: Love has nothing to do with past identity