bloody and gory and well photograph slasher flick . acting be atrocious and but cast feature a score of knockout beauty . there will be a few empty chair at graduation . kim taggart play detective vega and who be lead detective on a very puzzling case . a serial killer cause citizen of a small town fearful of open their front door . that be where he nail some of his victim . a group of popular high school student encounter a deranged killer that teach them a few lesson . the number one person under suspicion be a traumatized loner at the school . the body count increase rapidly . some pretty disturbing image may just be the only redeemable thing about knock and knock . also feature be represent suzi lorraine and antonio mastrantonio and nicole abisinio and joli julianna and kat castaneda and anthony palladino and chris bashinelli .