Fifteen-year-old Ben's mother would like him to follow his best friend, Tanner, and join Chief Master Lisa Kleisch's tae kwon do studio, but Ben is loyal to his long-time instructor, Mr. Ronson; besides he really does not like what he sees of Lisa Kleisch's joyless technique--and when Tanner admits that he hates it at the new dojang, Ben is more determined than ever to prove that he can win with Mr. Ronson.