When your dad brings home a significantly younger woman to introduce her as your new stepmother, itâ€™s pretty normal to disapprove of the whole deal. And itâ€™s pretty standard to hate this new woman invading your household. Thatâ€™s exactly what Sung-hoon plans to do when he meets Yeoni, his dadâ€™s girlfriend, butâ€¦he really wasnâ€™t counting on how hot she is, or how determined she is to befriend him. What do you do when your relationship with your sexy stepmom-to-be gets increasingly steamier? Time to comeâ€¦and find out!