Stone (1974) (Ozploitation Classics) DVD

Stone (Ken Shorter) is an undercover cop who infiltrates an outlaw motorcycle gang to investigate a series of grisly killings. He is thrown into the world of the Gravediggers--alienated Nam Vets who live in a fortress by the sea and have their own law, their own satanic religion, their own bevy of bikie chicks (Rebecca Gilling) and a nasty habit of getting into violent and bloody gang battles.