讲述了可爱率真的小乔（谭松韵 饰）遇见了沉默寡言的未央（钟楚曦 饰），小乔的热情开朗使性格迥异的她们迅速成为了“蜜友”，而小乔未婚夫朝颜（罗晋 饰）的出现使得三人的感情产生了微妙的变化，三人关系也由此变得错综复杂的爱情故事。电影改编自庆山（安妮宝贝）同名小说。

講述了可愛率真的小喬遇見了沉默寡言的未央，小喬的熱情開朗使性格迥異的她們迅速成為了密友，而小喬未婚夫朝顏的出現使得三人的感情產生了微妙的變化，三人關系也由此變得錯綜復雜的愛情故事。

A story revolving around two friends with very different personalities - the no-nonsense and rebellious Weiyang and the idealist 'Princess' Qiao. When Xiao Qiao met Weiyang, the two easily became close friends. However, Xiao Qiao's fiancee Chao Yan can't help himself as he falls deeply in love with Weiyang, which crushes Xiao Qiao's fairytale love story. Just as the three are entangled in a world of complications, Weiyang makes a surprising decision.