Australian stuntman Peter Armstrong set a then-world record for riding a motorcycle off an 80-foot cliff to fall headfirst into the sea.

Leaving behind society girlfriend Amanda (Helen Morse), Stone begins to identify with the Undertaker and his comrades Hooks (Roger Ward), Toad (Hugh Keays-Byrne), Dr Death (Vincent Gil), Captain Midnight (Bindi Williams), Septic (Dewey Hungerford) and Vanessa (Rebecca Gilling), the Undertaker’s girlfriend.

Amid violent confrontations with the Black Hawks, a rival gang the GraveDiggers hold responsible, Stone uncovers a political conspiracy behind the killings.

[1] Filmink magazine said "The biker movie was the modern day Western of choice in the 1960s" but argued this was one of the few Australian films to "embrace it as a story option.

[1] The soundtrack was released by Warner Bros. (600002) Several of the cast went on to appear in Mad Max (1979), including Hugh Keays-Byrne, Roger Ward, Vincent Gil, David Bracks and Reg Evans.