Tiffany and Wooyoung were bestfriends, even their parents were bestfriends. The two were madly inlove with each other, but one day Wooyoung was already ready to confess he was too late someone already had confessed to her. Wooyoung tried to move on until he meet a girl he was inlove with the girl but not as much as he loved Tiffany.

During her childhood, Krystal was always bullied by a so called bully Choi MinHo. Now she is in high school she is aiming to get revenge, but when she secretly hears rumors about him liking her.... She now has a new plan, play with his heart.

Krystal and Minho were bestfriends and nothing could ever split them up. But when Krystal got into a car accident, her brain was badly damaged and her life was nearly ending.

Ever since a new girl entered Tiffany and Nichkhun's lives. Things had began to change,Nichkhun's feelings for Tiffany had gone.