 In august 1973 a group of teens are driving in Texas to Dall s to go to a concert.The teens pick up a hicthhiker who is frighten.she shoots herself in the mouth which makes the kids call the sheriff.the teens come across a madman with a chainsaw who takes the teens one by one.Then Erin soon realize that she is in a house with a cannibal family. Erin must escape if she dosent want to become a victim of a massacre.