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