A set of vipers has been taken by scientists to mutate them to make a cure for cancer. As their experiment goes awry, the vipers escape into the woods - they're not only biting people, they're actually killing people, in … Tara Reid, Corbin Bernsen, Jessica Steen, Jonathan Scarfe, Genevieve Buechner, Michael Kopsa, Claire Rankin Added on Amazon Prime 2023-03-29. Youtube Trailer