Last House on the Left is based on the true events which befell two friends as they were going to a concert.  The two girls, Mari and Phyllis are just two teenagers who want to have a good time.  Mari is about to turn sweet sixteen, so her and Phyllis go to a concert.  On their way they meet a group of four.  This group of four have just escaped from jail and they have special plans for the two girls.  They brutally torture the two girls, and end up killing them, but once their car breaks down they have to spend the night with a couple that owns a cabin deep in the woods.  Little do the killers know that the couple that they are staying with are actually Mari's parents, and once Mari's parents find out, they plan their revenge on the murderers. The movie starts by introducing us to Mari and her friend Phyllis.  They are about to head off to a concert for a band named Bloodlust.   Mari is growing up and she wants her parents to know it.  Well as her and Phyllis are on their way to the concert they meet Junior.  They ask for ...