Sam, a door-to-door salesman, travels through the desert in search of clients, yet the area seems deserted. His wife won't answer his phone calls, and everyone seems to be avoiding him. His only contact with the outside world is a local radio station. The strange host, Eddy, takes calls regarding a child killer at large, and pushes listeners to hunt the man to death. Then Sam starts getting harassing calls on his pager. What is the cause of all this?