Now confined to a mental institution, Laurie quickly falls victim to her brother, Michael, whom she thought she had beheaded. Cut to Haddonfield, IL, where a sextet of college students is assembling for the production of an online reality show in which they'll spend the night locked up in the killer's childhood home being filmed by dozens of cameras and broadcast over the Internet. As they hunt for clues about Michael's tortured childhood, he arrives to stalk them relentlessly one by one.