A legendary Native American-hating Army captain nearing retirement in 1892 is given one last assignment: to escort a Cheyenne chief and his family through dangerous territory back to his Montana reservation.
Caroline Weldon moves to Dakota in the 19th century and tries to help the Sioux chieftain Sitting Bull keep the land for his people.
The last Gunslinger, Roland Deschain, has been locked in an eternal battle with Walter O’Dim, also known as the Man in Black, determined to prevent him from toppling the Dark Tower, which holds the universe together. With the fate of the worlds at stake, good and evil will collide in the ultimate battle as only Roland can defend the Tower from the Man in Black.
John Henry returns to his hometown in hopes of repairing his relationship with his estranged father, but a local gang is terrorizing the town. John Henry is the only one who can stop them, however he has abandoned both his gun and reputation as a fearless quick-draw killer.
Bounty hunters seek shelter from a raging blizzard and get caught up in a plot of betrayal and deception.