AcoupleofAustraliansintroducethreeAmericanbackpackerstothelocallegendofLemonTreePassagewhereaghostofamotorcyclistwarnsyoungdriverstoslowdown.Afterseeingtheghostfirsthandtheyuncoveramalevolentforcethatpossestheareaandthreatenstowreakhavoconthefinaldaysoftheirvacation.Isolatedandtenthousandmilesfromhome,thetouristsfi...