Taeyeon meet Jiyong a playboy to take revenge in behalf of her childhood friend died. Taeyeon felt her friend died in vain after Taeyeon has to know Jiyong is the reasons make her friend suffer and died like that. She's trying to hurt him but turn out she starts to have feeling for him after knowing him. What will Taeyeon do? Would she continue her revenge, or would she let go her grudge?

Jiyong is a playboy rich boy that likes to waste his time playing girls' heart. However, he starts to change after knowing Taeyeon. He chases her until feel deep love for her. Yet, that love hurt him until change him into the cold-hearted. What make him change? Will he love her again after knowing the truth?