A mother falls for a younger man while her daughter falls in love for the first time.

在一场欢乐的校园祭上，国文老师陈孟筠（许玮甯 饰）倒在校园的一角，不可思议地看著插在她腹部上的刀，17 岁数理资优生张一翔（陈昊森 饰）带著伤心和焦虑的模样站在她面前，透过全世界都能看到的直播画面，意外揭开这场禁忌师生恋。

38-year-old Alice has everything to become the next editor-in-chief of Rebelle magazine except for her uptight image. But when the young and charming Balthazar, barely 20, crosses Alice's path, she realizes that he holds the key to her promotion.