When you live under the same roof, a family-life bond inevitably develops. That is certainly the case for the inhabitants of Zhan Ke Zhi Jia, a hostel. Xie Ke Zhan, a graduate student who owns the hostel, cares about all of his friends who live there and tries to be attentive to their needs, even to the point of suffocation.

Chi Mo is a rich CEO but, after meeting a girl named Hao Chong Min, his mental activity changed. His other personality came out also known as Song Xiao Xiao who is the complete opposite of him. Fun, outgoing, and Loving. Not only does this other personality remembers some details of what had happened in the car accident, he also falls in love with Hao Chong Min. But, the conflict occurs when Song Xiao Ciao and Hao Chong begins to have a relationship. The main problem is that the original master of the body is Chi Mo and he has more control of it then he does. Chi Mo is angry that he has two personalities and also can't remember anything the other personality did and thought. The other problem is to find out who was the person who caused the car accident and why.