Tien Xiao-Xiang is a fan of author Si-Yi and Tarot cards. But deep down, she has another love, childhood sweetheart Li Zhu-Hao. Just when she sees the perfect opportunity to reveal her love to him from fortunetelling, Li Zhu-Hao confesses his feelings to her best friend Song Yi-Jing! But Song Yi-Jing has a condition for Li Zhu-Hao, that is to help three couples to date. They are: aloof and misandric art professor Stone and lovesick gym owner Liu Zhi-Liang; the most unpopular weirdo in school, Ah-Yu, and the subject of her nonstop public displays of love, campus hunk Danny Lo; mob boss lady Yu and philosophy student Ah-Shan. To make it happen for these three unlikely couples is almost like mission impossible.

Kai (Jack Yao), who works at his parent's noodle shop by day and spends his nights in a bookstore to learn French, decides to go to Paris after his girlfriend, who recently left for Paris, dumps him by phone. Then the local neighborhood mafia boss offers Kai a free plane ticket to Paris if he takes a mysterious package with him.

戴诗渺（柯佳嬿饰）是从日本来台湾读书的交换生，被热情活泼的小瑷（张榕容饰）感染，成为好友。渺渺为奶奶寻找初恋时的蛋糕店，却发现它已经成为一家二手的CD店，CD店的老板是一个年轻男子，永远戴着耳机，不与人交流。渺渺不知不觉被他吸引，大大咧咧的小瑷出尽鬼主意帮渺渺问到他的名字以及手机号。这个名叫陈飞（范植伟 饰）的男子过去是个谜，渺渺决心踏进他的世界，小瑷忽然感到失落。当陈飞的故事浮出水面时，两个女生都各自经历了失恋般的痛楚。爱一个人，却无法说出口，那难以言喻的心情在青春时期留下痕迹，当小瑷18岁生日来临，大家去海滩庆祝，虽然心是这样痛，但未来还有好多值得期待。