Wyoming Game Warden Joe Pickett is called out for a moose poaching incident that turns out to be something much more sinister: a local fishing guide has been brutally murdered. At the same time, Marybeth opens an unmarked package and finds a photo album that belonged to an infamous Nazi official. When a close neighbour is murdered, Joe and Marybeth face new questions about the dangers that come with their discoveries. Meanwhile, Nate Romanowski is on the hunt for the man who attacked his wife. Can Nate use his network of Falconers to track down the culprit?