This story takes place in the vast and dreary forest of Mt. Saint Helens, five days before the devastating volcanic eruption of 1980. Despite several verbal warnings, a film crew of seven ventures onward to perform and film a dangerous B.A.S.E. jump, attracting the attention of the legendary Bigfoot. After an “accidental” death, the rest attempt to hike back to the safety of their departure point, Spirit Lake, only to be picked off during their horrific journey, one by one. Just as the mountain begins to erupt, they not only discover who Bigfoot is and where he came from, but what he really wants.