与时尚杂志社编辑王顺佳（姚晨 饰）风生水起的爱情相比，她的事业近来陷入低谷。即将结婚的消息惹来单身女上司的妒忌，因此工作上屡屡受挫。还好男朋友的哥们张俊浩（朱雨辰 饰）意外出现在他们的生活里，为他们的生活又带来一些新鲜的趣味。

　　正当顺佳全身心投入即将迈入婚姻殿堂的喜悦之时，她的男朋友吴巨源（郭晓冬 饰）却由于移情别恋而向她提出分手。顺佳失恋后，俊浩不仅给予顺佳无微不至的关心，而且为了安抚她的情绪，甚至陪着她去登记结婚。就这样，一对丝毫没有感情基础的男女莫名其妙的结婚了，不知这个美丽的错误能否成就一段浪漫的故事……

Shun (Yao Chen) is the editor of Cosmo, a leading fashion magazine, and is overflowing with enthusiasm for life as she loves her work and is engaged to marry Wu Juyuan (Guo Xiaodong). However, all of the magic is suddenly sucked out of her life when a work oversight leads to demotion and her fiance decides to cancel the marriage. Now working as a warehouse administrator and leading a rocky love life, Shun vows to turn things around and get her life back on track.