Kim Jaejoong as known as Jung Yunho's wife want to be friend with Yunho after their arranged marriage by their parent. He want to be good wife for his husband. 

But he know that he'll never be perfect wife for Yunho because he already has gorgeous girlfriend prettier than him. 

Until one day Yunho was drunk and can't control himself. Instead of Jaejoong was by him, Yunho thinks his wife cheated on his back. 

What will happen to this couple?