Cheyenne's partner leaves on private business. When he doesn't return, Cheyenne follows him to determine what happened. Cheyenne finds him in jail where he is shot. Cheyenne finds himself in a mess related to an estate and lawyer.
Shorty Jones gets a letter that cuts into his plans to deliver some freight to Marysville with Cheyenne. On the Monday he left, he said he'll be back "Wednesday night or Thursday morning at the latest." On Friday, Cheyenne goes looking for him, turning their business over to a local outfit. He finds him in Sacramento in jail for fighting and disturbing the peace. When Shorty is shot through his jail cell window, Cheyenne sets out to find his friend's killer and the rest of the secret he started to tell him but didn't get a chance to finish. Cheyenne knowing Shorty has a wife and son is given his few possessions to return to them after a lawyer, Saylor Hornbook, tries to take them first. Back in his hotel room Cheyenne is attacked in the dark by a large man who tries to search Cheyenne's room. The intruder leaves his pistol with the brand Running M on it leading Cheyenne to the Marshall ranch. Shorty had been responding to a letter and ad about the death of Samuel Marshall Jr. Written by