Danno is hitching his way down the California coast, trying to forget his mother's recent marriage to his uncle. He meets Roy and Gil, two truck-driving brothers who are dealing with some pretty severe family inbreeding issues of their own.
Roy and Gil are pretty sure that Big Foot killed their dog Wanda II. They want revenge. Sydney, an anthropology student, wants to teach it sign language. And a hirsute local named Grover spotted one last week, just over that ridge...