Lee Min Mi is in for an winding adventure of forbiddeness, She meets her new step-brother, Cho Kyuhyun, who falls in love with her and vice versa. He turns into a player after a couple nights and starts bringing home girl after girls just for one night and never call them again. Her real older brothers find out and a bunch of things go down but I don't want to ruin anymore. But one more thing.... He has to get married.