Ji-soo is a young 19 year old girl and is determined to be the best at her job. She meets a man whos been attacked and helps him. She then gets the job shes been hoping for but it turns out her boss is the man she met before. Min Kai trys to hate Ji-soo because she starts replacing his first love which he hasn't seen in years. Hating her fails when he keeps running into trouble because she always saved him no matter how mean he was. He had no choice but to love her especially when he learned who she really was. The second there together things start taking a turn for the better.