Six scientists arrive at the creepy Headstone Manor to investigate a strange phenomena which was the site of a mysterious massacre years earlier where 18 guests were killed in one night. It turns out that the house is the place of a satanic cult lead by a sinister monk who plans to kill the scientists who are inhabiting this house of Satan.

French au pair Monique goes to work for couple Jean and Bill. She takes time to care for the children before getting to know husband and wife intimately. Bill soon notices Jean's libido has spiked. After Bill sleeps with Monique, he comes home one day to discover the women in bed together.

In a remote and dark place in the outback of Western Australia, the wanted man Leon Murphey (Ben Mortley) leaves his family in a bid to ensure their safety. While being transported by Captain Dalton (Michael Muntz), Leon's daughter is captured by the cruel Maitland (Steve Turner). The journey soon becomes a chaotic tale of revenge and murder within the ever-changing terrain of Western Australia.

Jack is a charismatic larrikin who has just discovered the one thing he's really good at — go-kart racing. With the support of his mentor, Patrick, an old race car driver with a secret past, and his best mates Colin and Mandy, Jack must learn to control his recklessness if he is to defeat the best drivers in Australia, including the ruthless champion Dean, and win the National title.