The Gunslinger, Roland Deschain, roams an Old West-like landscape where "the world has moved on" in pursuit of the man in black. Also searching for the fabled Dark Tower, in the hopes that reaching it will preserve his dying world.
There are other worlds than these
Did You Know?
The chime that plays in the first official trailer is the same one that plays in the two pocket watches in 'For a Few Dollars More", the 1965 Spaghetti Western that teams up Clint Eastwood and Lee Van Cleef as two bounty hunters chasing vicious gang. They then starred as antagonists in 'The Good, The Bad, and the Ugly" (1965). Stephen King claims that movie was half the inspiration for 'The Dark Tower'. See more
Man in Black
You can't stop what's coming. Death always wins.