Murphy, a top explorer and hunter, lands on an alien planet in search of specimens. After proudly planting his flag, Murphy heads out in search of some aliens. One of them, Puck, turns out to be a tough specimen. The bounty on his head is high. This naturally attracts the attention of yet another hunter: El Roacho. And so begins a terrible duel between Murphy and El Roacho for the nauseating prize.