At 23 years old, Lee Hae Yeon is at the peak of her beauty and successful in her career. She may seem perfect in every way, but what everyone doesn't know is that she holds a big regret over the choices she made 5 years ago. So when Lee Hae Yeon is suddenly transported back in time, she is going to make sure she holds no regrets. This time around the school flower will do whatever it takes to have the school loser by her side.