The Mark Miner Story Wagon Train : Season 5 Episode 8

Mark Miner and his younger brother Matthew join the wagon train after making it appear their own wagon has broken down. The passengers of the train enjoy Mark's guitar and singing, but soon items and money begin disappearing. What they don't realize is that the two brothers want to frame Duke Shannon for the thievery, because they blame him for the imprisonment of their father and want revenge for it.