青空下的约定下载An ancient Chippewa demon, the WINDIGO, is resurrected by a Native American teenager and his grandmother to protect their family after a run-in with back-woods meth dealers. They soon discover that the creature's lust for killing cannot be controlled. As each killing bonds the teen and the Windigo ever closer, the family must find a way to break the curse before all of them become the blood-thirsty creature's next victims.