The Afterparty (2014)

The Afterparty tells the story of journalist Robert Gordon. Robert's shady past as a detective turned journalist has caused more damage than he could ever imagine. After writing a series of predatory stories about a high profile celebrity, he is fired by the national newspaper for destroying their reputation. Gordon is soon after lured to a party by an old friend but quickly discovers that the party wasn't quite the night he was hoping for, as he finds himself being hunted down by a psychopath.