Sehun is an ordinary boy but there is something special about him. Or more his parents. They are really rich. His dad runs a big company in Korea and everybody knows who Oh Sehun is. One day when Sehun got back from school, he's told to marry Kim Kai. The famous singer from S.M Entertainment. Lee Soo-Man and Sehuns dad are really good friends so there is no problem for them to get married. Sehun doesn't like the idea of this marriage nether does Kai. What will happen?