Pleasure. Love.

20-year-old young man Jiang Nan meets a beautiful painter named Hu Yajie (36 years old), who has a butterfly-shaped birthmark on her body. They have sex in an old residential building and thereafter frequent this love nest of theirs. One year later the painter gets killed in a car accident, leaving a bottle containing her birthday wish note in a tree hole back in her hometown, which she hides many years earlier... 21-year-old college graduate Hu Yajie comes to Beijing and meets a middle-aged writer named Jiang Nan. When they are about to be consumed by erotic flames, Jiang Nan gets cooled off by the butterfly-shaped scar on Hu Yajie's body...