Deadgirl

Deadgirl is a movie starring Shiloh Fernandez, Noah Segan, and Candice King. Two high school boys discover an imprisoned woman in an abandoned mental asylum who cannot die.
When high school misfits Rickie and JT decide to ditch school and find themselves lost in the crumbling facility of a nearby abandoned hospital, they come face-to-face with a gruesome discovery: a body of a woman stripped naked, chained to a table and covered in plastic and soon realize she is anything but dead. Quickly the boys find themselves embarking on a twisted yet poignant journey testing the limits of their friendship, and forces both to decide just how far they're willing to stretch their understanding of right and wrong.