Lorraine and Ed Warren travel to north London to help a single mother raising four children alone in a house plagued by malicious spirits.
The chilling and relentless Jigsaw killer returns to terrorize the city once again. When a gruesome murder victim emerges with unmistakable traces of Jigsaw's sinister methods, Detective Eric Matthews is thrust into a high-stakes investigation. To his surprise, apprehending Jigsaw seems almost too easy, but what he doesn't realize is that being caught is merely another piece of Jigsaw's intricate puzzle.
Following Jigsaw's grisly demise, Detective Mark Hoffman is commended as a hero, but Agent Strahm is suspicious, and delves into Hoffman's past. Meanwhile, another group of people are put through a series of gruesome tests.
