Gemma, a young mother raising her daughter in the house she grew up in, discovers she can travel into The Further, where she possesses an ability to bring what lives there back to the real world.
Following Jigsaw's grisly demise, 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.