As the survivors of the Carter family embrace, an unknown mutant watches them through binoculars from the hills. Bobby and Brenda find Jupiter wounded from their trap as Brenda finishes him off with a pickaxe before the siblings are reunited with Doug, Catherine, and Beast. Lizard, still alive, aims the shotgun at Doug but Ruby tackles Lizard off a cliff, sending them both falling to their deaths. At the trailer, Brenda and Bobby are attacked by Jupiter as the siblings lure him and arrange an explosive trap, which destroys the vehicle along with the mutant.ĭoug catches up with Ruby but Lizard attacks them before pursuing Ruby until Doug manages to defeat him with Cyst's shotgun. After ordering Lizard to kill Catherine, Big Brain is mauled to death by Beast while Ruby manages to take the baby from Lizard and escapes through the hills. Awakening in an ice box, he escapes and encounters Big Brain who reveals the mutants' origins to him and sends Pluto to attack Doug but the latter manage to gain the upper hand and kills Pluto with his own axe before killing another mutant Cyst.
He comes across an abandoned nuclear testing village through the miner town's cave system and is knocked unconscious by Big Mama. The next morning Doug, along with Beast, set out to rescue Catherine. Goggle, who is watching the family from afar, is killed by Beast. Doug and Bobby return to discover the carnage while Lynn and Ethel die shortly afterwards. He then escaped with Jupiter along with Catherine. Lizard forces Lynn to breastfeed him until Ethel comes back leading to Lizard shooting both Lynn and Ethel. Lynn decides to return to the van where she saw Lizard holding her baby Catherine, horrified by this, she attacks Lizard but gets overpowered in the process. Bob dies after the family extinguishes the fire. While Bobby confesses his story to the family, Jupiter's sons Pluto and Lizard infiltrate the trailer and Lizard sexually assaults Brenda, who stays with the baby, while using the distraction of immolating Bob to a tree. After Bobby is found by Brenda, they head back to the trailer until Doug returns, where the former encounters Jupiter and escapes from him. Bob attempts to flee in an abandoned car but is subdued by the mutant leader Papa Jupiter. Horrified, he confronts the hysterical attendant who commits suicide inside an outhouse. Doug heads towards the interstate and finds a huge crater filled with numerous abandoned cars and other items.īack at the gas station that night, Bob finds news clippings detailing various disappearances in the area after recent nuclear testings at a mining town by the US government that caused the mutants' deformities. Frightened, he runs and falls off the hill, knocking himself unconscious as a young female mutant Ruby protects him from her brother Goggle. Beauty escapes from the trailer and, when Bobby chases her into the hills, he finds her mutilated corpse. Doug and Bob go look for help, while the rest of the family stays behind.
Not long after taking the supposed short-cut, their tires are punctured by a hidden spike strip. They stop at a gas station where an elderly attendant tells them of a different route through the hills. With them are their German Shepherds, Beauty and Beast, their children, Lynn, Brenda, and Bobby, Lynn's husband, Doug Bukowski, and their baby daughter Catherine. Retired detective Bob Carter and his wife Ethel are traveling from Cleveland to San Diego through the desert for their wedding anniversary. A group of scientists, who are testing the radiation levels of the New Mexico desert, are killed by a deformed mutant, Pluto, with a pickaxe.