Arranged marriage is normal.But what if the person you're marrying is out of the ordinary.You and Myungsoo been married for 2 years but you guys been sleeping in separate bed.You and your so called "husband" have a crazy relationship,in every fight there's always a comfort.But what if your beautiful,talented sister  sister came back from the US.Also,what if your sister have a special relationship with your husband? But how hard can it get when his best friend get included? But when you fina