You Are the Only One () is a 2014 South Korean daily drama starring Han Chae-ah, Sung Hyuk and Ji Joo-yeon. It airs on KBS1 on Mondays to Fridays at 20:25 for 120 episodes beginning November 24, 2014, and ended May 22, 2015.
Owner chef Lee Ji-gun (Sung Hyuk) grew up seeing how his father's numerous affairs have affected his family and hurts his mother. He is afraid of getting into serious relationships and swears off marriage. However, all changed when he meets TV cooking show producer Song Do-won (Han Chae-ah) and falls for her.