Officer Park Yoon Hee is a beautiful young detective who has high hopes of being accepted in the Violent Crime Division. However, her father and chief of police, has other plans for her... so instead of the Violent Crime Division he assigns her on the Unsolved Crime Division were nothing ever gets done and there is only 2 staff members including her! The excitement that she most eagerly longs for though, is about to barge in her life when she will meet a mysterious boy...