Serving time for a minor offense in a brutal women`s detention center, Eva (Jessica Morris) finds herself at the mercy of the evil matron (Deb Snyder), a sadistic guard (Anthony Lee) and a gang led by Killa Kim (Meredith McClain). With all hope lost, Eva makes a midnight wish to a box of tiny South American Worry Dolls. The Dolls crawl into her ear at night, possessing her with the dark powers she needs to exact wicked vengeance on her tormentors.