Hi, I am also looking for a movie that seem no one has ever seen besides me. I believe it was an 80's thriller.
There are 2 teen girls that are best friends and I believe they live next door to each other. One of the girls locks her parents in their beedroom when they are asleep and sets the house on fire and the parents die. She goes to live at her friends house and tries to act all innocent and looking for their sympathy to get what she wants. The daughter sees what she is doing and at the end, the girls fight and the mean girl ends up falling on a water sprinkler, splitting her head open and dies.
That's all I can remember. It was a long time ago. Please tell me that someone knows what this is. Thanks.