Onaweekendgetawayatarundowncabininthewoods, Jason, acautiousteen, hiscrudebestfriendColinandhisfearlessoldersisterSummerareforcedtoworktogether, growupandsavetheirhardpartyingparentsfromtheirpredatoryneighbour(LaurenHolly)whoisintentonfeedingthemalltoherundeadfamily…