A coming-of-age story about the lives of a teenage boy and his friends as they traverse the highs and lows of boyhood in the run-up to Halloween.

A caring mother loses her sanity, setting off a chain of events resulting in tragedy and murder. The story of Casey Pollack unfolds from two very different perspectives when one night in the woods culminates in absolute terror.

Taking off immediately where the last one ended, Mike travels across dimensions and time, fleeing from the Tall Man while trying to find the origins of his enemy and what really happened the night that his brother died. Meanwhile, Reggie battles spheres and the undead in a quest to find Mike before the Tall Man can complete his transformation.

Brothers Mike and Jody join family friend Reggie to battle the Tall Man and his evil minions from another dimension, for the final time.