You are the only child of a wealthy man, and your father seeks to marry again in the hopes of ensuring that you will feel a mother's love. Your new mother has a male son, Blu, but little do you know, he is a vampire and he has developed an obsessive attachment towards you. 

When your parents finally tie the knot, they urge the two of you to get along. However, you quickly notice Blu's possessive and jealous behavior whenever people are near or interact with you.He is set on having you with him.