![Someone's Knocking at the Door on FREECABLE TV](https://metadata-static.plex.tv/4/gracenote/4715229951364319f38f7ef064b5fd90.jpg)
watch.plex.tv
Someone's Knocking at the Door
Returning to the medical school where they were test subjects decades ago, a pair of outrageously twisted serial killers use shockingly brutal sex acts to start killing off a group of drugged-out med students.