A teen kid and a group of friends attempt to face the grave digger, whom everyone refers to as the Tall Man, who is causing terror around everyone.
After being discharged from a mental health facility, Mike meets Reggie and learns that his dreams are real. Together, they set out to track down and defeat the Tall Man.
The two friends Mike and Reggie embark on a perilous journey in an attempt to defeat the evil alien known as the Tall Man, who is wreaking havoc wherever he goes.
As he makes his way through the desert, Reggie sees both his friend Mike and the wicked The Tall Man. Suddenly, he finds Mike telling him he has dementia.
As Mike escapes from the Tall Man by traveling across dimensions and time, Reggie looks for Mike while engaging in battles against mystifying spheres as well as the undead.