In the explosive ninth season of Powder River, Britt and Cheyenne cross the Rio Grande in pursuit of Clegg's Gang, who have taken Levi, Andy, and Laurel prisoner, leading up to a fiery shootout on the streets of Camargo. In Clearmont, Erica is threatened by an outlaw for printing a story about his intimidation of ranchers. He wants a retraction, and threatens to burn the Bugle to the ground if she fails to do so. Meanwhile, Britt travels on toward California, and in Arizona comes across a cavalry patrol surrounded by Apache warriors. Six exciting episodes are included with Volume One.

Episodes include: "Across the Rio Grande", "Camargo", "Gunfight at Camargo", "The Ladies and the Outlaw", "The Prairie League", "Apache Territory".

Powder River is a full-cast audio drama written and directed by Jerry Robbins; produced by MJ Cogburn; Executive Producer Mark Vander Berg; with Music by Jeffrey Gage; and cover art by Jeffrey Hayes.

Powder River contains western violence. Parental discretion is advised.