When Maddy Stern discovers her father has gone missing during a routine birdwatching excursion, she and her college pals trek out into the wilderness to find him, only to end up in a wealthy scientist’s desolate ranch aviary, where they encounter a pair of giant, hungry terror birds believed to be extinct for centuries.

Two graffiti artists break into an abandoned, reportedly haunted research facility in hopes of creating an art installation, but stumble upon a secret team of demented researchers who are in the process of resurrecting an ancient sea creature – who they now must fight in order to escape alive.