Gwang-sik is a single father with a son and Hae-ra is a widow with a daughter. They get remarried and become one family. Gwang-sik’s son Myeong-ho and Hae-ra’s daughter Dal-rae…

Who’s going to let down their guard first? A pretty art tutor VS a muscular and young personal trainer? This sex-less couple’s secret tutoring starts now between a pretty art…