idea for coursework

Horror Film Trailer
A group of teenager on a trip , the group wonder off to a empty house in a sculeded area .
The house is haunted from a girl who family used to live there. The girl one by one kill them and they have to try and survie and work out the mystery of who the killer is .
My idea has been influenced from different horror film such as prom night , strangers and the film hide and seek .