Chinese romantic comedy written and directed by Mo Zhang. After spending ten years together, 28-year-old Jing Xia (Ni Ni) begins planning for her dream wedding with fiancé Mao Liang (Wallace Huo). However, with Mao preoccupied with work and showing no interest in the wedding, the pair soon clash which results in Mao ending their relationship. Devastated by the sudden breakup, Jing eats a magical chocolate which transports her mind back to the way it was as a 17-year-old. Now relieved of the burdens and worries of adulthood, Jing's newly acquired naive and carefree personality causes Mao to take notice of her once again.