Cha Soo-hyun has lived day by day without any big events in his life.

Then he ends up having a one night stand with Song Woo-jin, who sat at the same table at a company colleague's wedding.
Woo-jin even goes to the same building as Su-hyeon, in the office across the street...

Will Soo-hyun be able to handle this man who changed ordinary daily life into a highly stimulating variety show?