 They drive the docile creature toward their cave, intending to butcher it when they arrive, but change their decision and keep it as a pet after it saves Frank from a carnivorous plant.Having brought samples of the tubers and the pear-like fruit that the beast had eaten, Paul and Bruce find them edible and the family begins eating them when their canned food runs out.Meanwhile, Paul is getting sick from the infection of a cut he suffered when he hit his arm against a rock.