Min-ho and Jeong-il end up working with each other's wives one day. As time passes, the men feel attracted physically to their friend's wives. In the end, Jeong-il suggests to Min-ho, "Let's not take sides and just be happy as the four of us!" They start swapping each other.
Joo Ye-bin
Ji-seon (지선)
Baek Se-ri
Hye-soo (혜수)
Min Do-yoon
Min-ho (민호)
Ji Eun-seo
Joo-yeong (주영)
Jang Seok-min
Jeong-il (정일)
