Kim So Eun is a transferred student who lives in Jeju Island where she lives with her parents. She finished 2 years of colleges and got her assoicates and since she is done, she is going to Seoul to go to a Univeristy and finish 4 years of school to get her Master's degree on becoming a Register Nurse. When she got to Seoul, she didn't sleep in a dorm, instead of that she lived alone in a apartment, she was working full time and going to school full time. She got a job offer already waiting for her when she arrives in Seoul. When she was there and working she met a man, he was running away from some thugs and he was half Japanese and Korean his name is Lee Soo Hyuk, his father was a descendent of a warrior and they live their life as the warrior life and made sure that their family is always well trained and prepare for the worst. He has a friend who is always by his side, his name is Lee Joon, he's like family to Soo Hyuk. Lee Joon is a player and he doesn't care much about being with girls cause he can get any girl he wants, but secretly he likes Soo Hyuk's fiance Park Han Byul. They were engage before they were born and were in their mother's stomach. She is a jealous fiance and anybody that does her wrong and tries to steal her fiance she will try to hurt them in any way. Lee Soo Hyuk also met So Eun again at school and she was studying, he loved her at first sight but wasn't able to know what the feeling he has is... What will happen? Will So Eun and soo Hyuk ever be together, knowing what his family is caple of? Will Lee Joon ever get to confess his love for Han Byul?