Acolytes (film)

Acolytes is a 2008 Australian horror thriller film about three teenagers and their sudden involvement with murder and violence over the course of a dangerous week. It won awards at film festivals in Austin and Melbourne, including a tie for the Best Film of 2008 award at the Melbourne Underground Film Festival. The film holds a 75 fresh rating with Rotten Tomatoes.

A brain damaged teenage girl named Tanya who has gone missing is run down by a car and killed while walking in a pine forest. Later, wandering alone in the forest, Mark secretly witnesses a man burying a body. The two friends decide to go dig up the grave to see what was buried, bringing along James girlfriend Chasely. To their horror, they partly uncover the body of a young girl and beside her is a small Canadian flag, implying she is a Canadian backpacker.After an aborted attempt at reporting the body to the police, they search for the presumed killer from Marks knowledge of the vehicle as he saw it driving away from the forest. They place the Canadian flag on his fourwheel drive and then the two boys secretly enter his house. They find out his name is Ian Wright and see a picture of him with a woman and baby, presumably his wife and child. They later phone him and try to blackmail him into killing Gary Parker. ........

Source: Wikipedia