Ben and Lucy are siblings who are travelling interstate to visit their parents. When their car breaks down on a desolate rural road, they are forced to seek help at a nearby farming estate. Cut off from the outside world, they soon make a terrible discovery.

Thirteen-year-old Missy kills her addict mother's boyfriend, Trent, in self defence. When her vengeful mother Annette tries to murder her as penance, Missy is forced to fight for survival in her own home.