What happens when Yoon Hae Ra falls for her tutor??? Kim Namjoon is an ordinary, reserved and well composed individual, who goes about his everyday life as a private tutor... Yoon Hae Ra is the complete opposite. she's an high school student from a rich family, who is well known as the bad girl of her grade. she is somehow considered a bully, but very optimistic. With her sharp-tongued and ill character, along with the bad grades, her parents decides to get a private tutor.... And by pure luck they stumble across Kim Namjoon and hires him to help their daughter to both improve in her grades and manners... Yoon Hae Ra isn't ready to give up on having him, neither is Kim Namjoon ready to give up on the task given to him.