唐微微（李冰冰 饰），32岁，既是设计公司的白骨精，也是大龄剩女。她的闺蜜靳小令（薛佳凝 饰）在怀孕期间，热心为她网络征婚并安排了相亲。结果，唐微微装孕妇吓跑了大多数，只剩下一个杨年华（孙红雷 饰），两人由此相识。与此同时，唐微微所在公司接了美国的客户，见面时她发现客户代表竟是7年前抛弃自己的男友王洋（段奕宏 饰）。他们从18岁开始恋爱，青梅竹马度过7年，终因王洋为理想奔波而分手。如今，昔日恋人重逢，别有一番滋味在心头。此时，杨年华却开始了一波又一波的热情攻势，无论是嘘寒问暖还是炒菜做饭，都体贴入微。而王洋也不甘示弱，意图通过忆苦思甜昨日重现唤醒唐微微重回他怀抱。于是，情敌之战，一触即发……

Beijing, the present day. Tang Weiwei (Li Bingbing) is a well-educated, high-earning career woman who works as sales director for an image design company. Now 32, she has had only one love affair in her life, which lasted from the age of 18 to 25, and since then she has been very, very single, devoted to her career. Pragmatically deciding it is time to find a husband, her best friend Jin Xiaoling (Xu Jianing) arranges some blind dates, all of which turn out to be useless.

Weiwei, una mujer con un gran éxito profesional, se enamora de Huawie, un modesto empleado, pero en realidad es un billonario. Mientras, su exnovio Yang reaparece de improviso, haciendo todo lo posible por recuperarla.