周晓东（杜江饰演）是一个医术非常精湛，长相又帅气的医生，每次他的出现都会引来护士们的尖叫，刘静就是众多痴情护士之中的一个，她一直关心着周晓东的一举一动，默默付出。刘静知道喜欢周晓东的人很多，但让她吃醋的却并不是其他护士，而是一只名叫多多的狗，周晓东对于多多几乎是溺爱，在多多存在的时候，刘静即便是站在那里，也和透明没有区别。刘静嫉妒这个多多，却没有丝毫办法，结果天从人愿，竟然多多被一个楼上掉下的东西砸死了，周晓东为此发起了尾狗狗报仇的计划，刘静也毫不犹豫选择站队周晓东

在对“谋杀”了狗狗的小区居民进行调查，结果发现了几个可疑的人，可经过排查之后发现都不是，在这种接触和交往中，刘静也发现了周晓东对狗狗溺爱的原因，周晓东也逐渐喜欢上了刘静，可这个时候周晓东的初恋竟然回来了.....

Zhou Xiaodong (played by Du Jiang) is a handsome doctor with superb medical skills. Every time he appears, the nurses will scream , Liu Jing is one of the many infatuated nurses, she has been concerned about Zhou Xiaodong's every move, silently giving. Liu Jing knows that there are many people who like Zhou Xiaodong, but it is not the other nurses who make her jealous, but a dog named Duoduo. Zhou Xiaodong almost dotes on Duoduo. When Duoduo exists, Liu Jing even stands there , which is no different from transparency. Liu Jing was jealous of Duoduo, but there was nothing she could do about it. As a result, Duoduo was crushed to death by an object falling from an upstairs building. Zhou Xiaodong launched a revenge plan for Tailed Dog for this, and Liu Jing did not hesitate to choose Stand in line with Zhou Xiaodong

After investigating the residents of the community who "murdered" the dog, a few suspicious people were found, but after investigation I found that it was not. During this kind of contact and interaction, Liu Jing also discovered the reason why Zhou Xiaodong doted on dogs. Zhou Xiaodong also gradually fell in love with Liu Jing, but at this time Zhou Xiaodong's first love came back.....