When a suburban couple goes camping for the weekend at a remote beach, they discover that nature isn't in an accommodating mood.

A young girl who has just spent an afternoon playing tennis and making love with a man, gets accidentally run off the road by a truck. Ending up on a dead-end dirt road, her car gets stuck in a ditch, where she starts getting terrorized by a drooling, gibbering psycho, who also has a colony of rats.

As Australian cinema broke through to international audiences in the 1970s through respected art house films like Peter Weir's "Picnic At Hanging Rock," a new underground of low-budget exploitation filmmakers were turning out considerably less highbrow fare. Documentary filmmaker Mark Hartley explores this unbridled era of sex and violence, complete with clips from some of the scene's most outrageous flicks and interviews with the renegade filmmakers themselves.