A Chinese problem child from the US is sent to live with his uncle in China. He immediately runs into difficult situations there, such as a rabbit thief, the secret crush of his uncle, and some classmates who aren't exactly welcoming to him. But luckily he has some excellent kung fu skills.

Tour guide Fang Yuan who has no passion for life, met an unfamiliar girl on his birthday. The two had a happy birthday by chance...on his birthday one year later, Fang Yuan once again met the robot who looked exactly the same as the original girl on the first day

一场意外让景淳（郭品超 饰）的恋人死于非命，陷入绝望和悲痛之中的景淳决定封闭自己的内心，踏上流浪的旅程。时间一晃眼就是十二年，依然没有走出过去阴影的景淳来到了热闹繁华的西门町，在那里，他结识了名为小萌（安心亚 饰）的可爱女生。 稳重可靠的命理师田行健（黄秋生 饰）、和小萌情同母女的熊妈（曹西平 饰）、暗恋小萌的小混混阿华（李杰宇 饰），随着时间的推移，这些个性迥异稀奇古怪的角色们接二连三地出现在了景淳的身边，让他曾经如同一潭死水的生活重新泛起了涟漪。与此同时，小萌的单纯和乐观让景淳再一次体味到了爱的温暖和力量。