On Orcas Island, Anne Baker believes her creations were destroyed in flames across the Sound, but little does she know schools of Fishsquatch are swimming towards her for revenge. While in Forks, Washington, the Bigfoot Contagion has devastated the town and surrounding area. Brooke Hernson and a handful of others are trying to survive until help arrives but the danger is increasing. The Bigfoot are changing, becoming more deadly, while a hidden terror is closer to Brooke than she would ever believe.