The episode begins with a man named Fred arriving on an island that is supposedly deserted but clearly inhabited. A tense encounter reveals hostility from the locals, who warn Fred off. Fred learns from others that the island was used to isolate the worst criminals under a secret government purge, cut off from the world to die. Suspicious of the island's hidden dangers, Fred decides to focus on survival by searching for food. As he attempts to fish, an urgent cry for help interrupts, pushing Fred into a sudden rescue attempt, leaving the episode on a cliffhanger.