Deadgirl (2008)

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.