Hyunwoo, his twin brother, was the most important person in Yeonwoo’s life.
He already wasn’t happy about the sudden marriage, but to marry a guy who’s only got good looks, a cocky attitude, and money?
There’s no way he could ever support this marriage...!

But before he had a chance to object, the two rushed into marriage. Because of this, Yeonwoo constantly wished for his brother’s divorce.

Then one day, Yeonwoo got a call from his brother-in-law, the thorn in his side.
Worried about his brother, he reluctantly visited their newlywed home.
And there, Yeonwoo ended up crossing a line with his brother-in-law...

Can Yeonwoo still maintain a peaceful family after this?