Christina, a robotic girl created with a golden heart strives to protect her home from a jealous, rival scientist who creates three girls of his own. The Heartbreakers, Ice, Lumina and Burnadette, who have one primary objective, to destroy the girl with a gold heart. Despite their cruel exteriors, they have some hidden feelings deep inside. Not every creation made for evil purposes has evil intentions forever. But for now, they must obey their master.