Zon Murray

Gregarious old "Doc" Stevens travels the territory in his "store on wheels". What no one realizes is that this "store" actually hides a transmitter that enables him to send information to a gang of vicious criminals in the area.

Bat's brother Ed arrives in Dodge City broke and needing a job. Bat doesn't believe he has the ability to be a good lawman and doesn't want to hire him. Earp takes him on as a city deputy but soon learns Bat is right about Ed.

Lily Reeve known as the Kansas Lily arrives in Dodge City. After pulling a gun while gambling, she is arrested by Earp while Bat thinks she is a nice innocent lady. Neither man's opinion about her proves to be the truth as events unfold.

Roy intervenes when an outlaw gang tries to kill old Granny Hobbs, a trapper, because she refuses to sell her land. When the gang plots to have Granny declared insane so they can take her property, Granny, Roy and Dale devise a trap for them.

Earp prepares for trouble when a group known as the Harlequins are expected to return to town. Although they disguise themselves as clowns, they have a deadly serious purpose--they robbed the Bank of Tombstone and want their comrade back.