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.

　职场菜鸟郝聪明因一场意外，撞破了拍卖会上的天价陨石钻戒，戒指中蕴藏的神秘力量诱发了池氏集团总裁池墨的另一重人格宋晓晓。此后，如韩剧男神般的宋晓晓与脑洞少女郝聪明谈起了恋爱，但因双重人格的相互转换，不知情的郝聪明与本是自己死敌的另一重人格霸道总裁池墨纠葛在一起。宋晓晓得知 池墨偷偷爱上郝聪明，对其展开了疯狂的报复，双重人格的秘密随时可能大白于天下。而此时，三年前导致池父死亡的那场离奇车祸，真相正一步步揭开，郝聪明与池墨的双重人格都陷入前所未有的危机中。