马妞（Ella饰演）一直暗恋着自己的邻居帅哥阿B（周渝民饰演），每天照顾他的饮食起居，却被阿B当做哥们一样相处，马妞对此毫不在意，只要阿B能幸福就好。阿B是一个顶级赛车手，赛车就是他生命的一部分，而另一部分则是他深爱的老婆家蔚（杨幂饰演），可几乎是在同一时间段，他同时失去了这两样最重要的东西，一场意外，让他再也无法从事赛车职业，而家蔚也不告而别，从此阿B就成为了一个名副其实的行尸走肉。马妞看在眼里非常心疼，一如既往的照顾，可阿B却只是一醉解千愁，甚至还用赌博来麻痹自己痛苦的神经

转眼六年过去了，家蔚忽然带着阿B的儿子彬彬回来了，希望能让阿B帮忙照顾，从照顾彬彬那天开始，也改变了阿B的生活，让他对生活重新有了热情。

Ma Niu (played by Ella) has been secretly in love with her handsome neighbor, A B (played by Zhou Yumin), and takes care of his daily life every day, but A B Treating each other like buddies, Ma Niu doesn't care about it, as long as Ah B can be happy. Ah B is a top racing driver, racing is a part of his life, and the other part is his beloved wife Jiawei (played by Yang Mi), but almost at the same time, he lost these two most important things at the same time , an accident made him unable to engage in racing again, and Jia Wei left without saying goodbye. Since then, Ah B has become a veritable walking dead. Ma Niu looked very distressed in her eyes, and took care of her as always, but Ah B just got drunk to relieve his worries, and even used gambling to numb his painful nerves

Six years have passed in a blink of an eye, Jia Wei suddenly brought Ah B’s son Binbin back, hoping to let Ah B help take care of him , starting from the day he took care of Binbin, it also changed Ah B's life and gave him a new enthusiasm for life.