Gunsmoke S10E18 - One Killer on Ice

Anderson, a stylish bounty hunter, rides into Dodge City. He informs Matt that his partner has a wanted criminal at an ice house. The locale is a two-day ride from Dodge; Anderson wants Matt's help to bring the criminal in. The outlaw's brother intends to go gunning for Matt and Anderson. There's also a twist: Matt finds out Anderson didn't tell him the truth about what happened. Both Anderson's partner and the outlaw lie dead at the ice house.