Two estranged brothers reunite at their childhood home in the Alaskan wild. They set out on a two-day hike and are stalked by an unrelenting grizzly bear.

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.

A military veteran hunts the men who kidnapped her son.

A crew of men who do the high-wire work of fixing the electrical grid are hit by a sudden deadly storm.

A reformed sociopath journeys to a remote island to investigate the mystery behind his brother's demise, but soon ends up facing off with more than he bargained for.