The Impalers are an outlaw biker gang on a rape and murder spree. The rest of their organization tries to stop them, so the gang slaughters the lot. On the run, the few survivors bust into a cabin to hide out and terrorize the family within. However, the family has secrets of their own, and something in the woods is stalking them all...
The film received a sequel, titled Frankenstein Created Bikers, in 2016.
This film contains examples of:
- Advertised Extra: The blonde topless stripper who's killed by the bikers after a brief gunfight is prominently shown in the film's advertisement posters.
- All Bikers are Hells Angels: The victim pool are a bunch of bikers on a cross-country rape and murder spree who stumble on the wrong family.
- Big Bad Ensemble: Jett—leader of a biker gang on a rape and murder rampage—clashes with Dr. Marco, a Mad Scientist who's willing to experiment on his own wife to find the missing link. Meanwhile, the bigfoot that seemed to be protecting Marco's kind daughter ends up ripping her head off, revealing that he's just a monster on a rampage too.
- Bigfoot, Sasquatch, and Yeti: A bigfoot prowls the woods the film's set in. He ends up massacring the Impalers, seemingly to save his human friend, but he ends up killing her too.
- Depraved Bisexual: Mrs. Marco is a sex-obsessed madwoman who has sex with one of the Impalers and tries to force her own daughter to eat her out.
- Downer Ending: The bigfoot ends up massacring the Impalers, seemingly to protect Dr. Marco's kindly daughter, but he then punches her head off and continues his own rampage.
- Drop Dead Gorgeous: A blonde topless stripper in a Nixon Mask opens machine gun fire at the bikers, but when she runs out of ammo she foolishly stops in place and gets shot in the head. She removes the ugly mask just to show her stunned beautiful face and collapses dead before two other strippers carry her corpse away. After this, the film and its sequel avoid focusing on naked women being killed despite all their other exploitative elements.
- Evilutionary Biologist: Dr. Marco, an anthropologist willing to experiment on his own wife with a mutation virus to figure out how humans evolved.
- Fanservice: The beginning of the film has an extended scene os a stripper dancing. There is a Fan Disservice element in that she's wearing a Nixon Mask for part of the scene, but it's brief.
- Genre Throwback: To 1970s B-Movie grindhouse pictures.
- Hollywood Atheist: Jett explicitly states that there is no God, and leads a gang of thugs to rape, murder and steal anything they desire.
- Karma Houdini: The bigfoot gets away with killing everybody, including the one human who befriended him.
- Leave No Witnesses: The Impalers have a policy of murdering all who witness their crimes in the most brutal way they can.
- Madwoman in the Attic: Dr. Marco keeps his wife in his basement due to her being violently insane.
- No Periods, Period: Averted in the grossest way possible; one character, in a toughness contest, has the bartender take out her tampon and put it in his drink, which he pours down without blinking.
- Paedophile Priest: Larry makes a crack about regretting not pimping his sons out to Catholic priests when they were kids.
- Parental Incest: Mrs. Marco tries to force her daughter to eat her out.
- Politically Incorrect Villain: Several of the Impalers use homophobic insults on their victims.
- Pragmatic Villainy: The rest of the White Syndicate have grown tired of the Impalers raping and killing everything in sight because it brings police heat down on all of them.
- Rape and Revenge: The Impalers spend most of the film tormenting the Marcos and their guests, including raping all the women, when a sasquatch one of said women befriended shows up to butcher them for hurting his friend.
- Self-Made Orphan: Two of Jett's goons murder their father when he berates them for bring heat on his organization with their crimes.
- Those Wacky Nazis: Dr. Marco owns a swastika armband.
- Villain Protagonist: Jett, a violent biker leading his gang on a raping and murdering spree.