Lee Cheong-yeon has a flawless academic record, perfect grades, and top-notch participation in all of his school activities, but with some crucial flaws: his terrible personality, lack of empathy and generosity, and a complete disregard for others. Faced with the realization that he needs to improve his character evaluation if he's to get into the college of his dreams, Cheong-yeon is tasked with an impossible mission: to transform Kim Suhan, the worst student in school — a delinquent with a report card riddled with zeros. Have both students met their fated match?