The story follows a recent divorcee who spends her daily commute fantasizing about a seemingly perfect couple who live in a house that her train passes daily, but something shocking happens there one day.
A couple of Australians introduce three American backpackers to the local legend of Lemon Tree Passage where a ghost of a motorcyclist warns young drivers to slow down. After seeing the ghost first hand they uncover a malevolent force that posses the area