36-year-old Yongsun is a respected Singer, actress, and TV judge on several shows. She never dated a woman. Or anyone younger.

27-year-old Moonbyul is a popular songwriter, dancer, singer, Dj. She only dated women. Always around her age or younger.

They had a general opinion about each other based on what they saw in the media. And their first real impression while being introduced by a friend in common is rather curious.

Despite Yongsun constantly and publicly rejecting the younger one, everybody starts to ship them because the chemistry and are undeniable.