Hostage Mackenzie's Raiders : Season 1 Episode 7

Jed Pierce, an infamous outlaw, is sentenced to be hung. Pierce's brother, Ben, kidnaps an important Mexican emissary on his way to Washington on a secret mission and sends word to Mackenzie that unless his brother is released, the diplomat will be killed. Believing that Ben will kill the diplomat and whoever escorts Jed to the prisoner exchange site, Mackenzie plans to turn the tables on the outlaws.