When Gong-chan (Lee Dong-wook) meets the lively and beautiful Yu-rin (Lee Da-hae), he notices the resemblance between her and his long-lost cousin, whom his dying grandfather has been searching for. He hires Yu-rin to stand in for his missing cousin as a final gesture to his grandfather - but his own growing feelings for her threaten to ruin everything. The real drama begins when Gong-chan's ex-girlfriend, a pro tennis star (played by Park Si-yeon), enters the scene determined to win him back.

My Girl was a Top Ten hit in Korea in 2006, aided by the appearance of hot new actor Lee Jun-ki. The King and The Clown star plays Jung-woo, an unscrupulous playboy who sets his sights on Yu-rin. Can Gong-chan protect Yu-rin from Jung-woo's advances? Can he help fulfill his grandfather's dying wish? And what will happen if his real cousin is finally discovered? All will be revealed in the hit K-drama My Girl!