The Legends travel back to the Old Wild West and gain the aid of a true legend, a morally ambiguous gunslinger with a penchant for danger, Jonah Hex, who has been battling outlaws and gangs and happens to know a thing or two about time travel. Hex warns the Legends to be extra careful in their journey to the small town of Salvation.

The Legends are still reeling from the news that their time travel-nemesis is a speedster when they are alerted to an Aberration in the Old West. When the Legends arrive they find their old friend Jonah Hex in trouble with his arch-nemesis, Quentin Turnbull. The team soon discovers that they need to stop Turnbull and his gang from conquering the West and branding it his own lawless territory. To Hex’s surprise, Sara is in charge and dispatches the team. Rory is ecstatic to be in the Wild West, but Sara makes Amaya work with him to keep him on task, which is easier said than done. Meanwhile, Nate, Ray and Jax try to infiltrate Turnball’s gang, but find themselves in a shootout leaving Nate’s confidence shaken.

The Legends plan to vanquish Mallus by using the totems doesn't go as planned, forcing Rip to improvise. The team finds itself regrouping in the Wild West where they run into their old pal Jonah Hex. Sara leaves Ray in charge of watching Damien Darhk, while she comes up with a new plan. Meanwhile, Amaya is determined to find a way to use the totems to destroy Mallus.