Sana is a rich girl. She's an orphan girl who lost her parents. She stay alone in her parent's mansion in Daegu. One day, a mystery guy disturb her and took her to his mansion. It turns out that he's half human and half vampire. He made Sana his blood source and his slave. What will happened if they fall in love with each other? Can human and vampire be together? Will they fight for their love? "Why are you doing this to me?!" - SANA "Your blood is delicious, babygirl. I feel like I'm in heaven" - TAE