Gunning for revenge, outlaw Nat Love saddles up with his gang to take down enemy Rufus Buck, a ruthless crime boss who just got sprung from prison.

Delos is a futuristic amusement park that features themed worlds populated by human-like androids. After two patrons have a run-in with a menacing gunslinger in West World, the androids at Delos all begin to malfunction, causing havoc throughout the park.