i saw this movie a few day ago and gamely jump during the scary part . i must admit and i find it pretty decent . until i start to think about what the character be say . logical problem represent1 . her boyfriend and who seem to be a pretty fit dude and make no sound while be kill . don not you think that he might have at least tried to take the killer . 2. when the remark be make that the gym teacher be soooo in love with lisa and i almost scream at the screen . when your best friend family have be kill by a teacher who be in love with her and you do not make comment like that if you have half of a heart . 3. as soon a nash ask the uncle how many exit they have in the house and the uncle catch on that there may be danger ahead and wouldn not the smart thing to do be to get donna and boyfriend and aunt and and uncle into a car and drive far and far away and then bait the house with the hrt and police force so that the killer have no way to get out . i could go on . and on . and on . basically and the plot be decent and the character weren not profile enough for you to actually feel any empathy when they be slaughter and there be way too many error . however . this movie might be good for teenager and or young couple just look for a fun night out . if you do not consider all the goof and it a mediocre film .