TreadStone Season 1 Mp4 Download. One of the worst written shows I've seen in a long time. Tracy Ifeachor stars as Tara Coleman in Season 1, Episode 2 of Treadstone, "The Kwon Conspiracy". Edwards digs deeper. Doug has nightmares. I'd have happily given up after 2 episodes but my wife stuck with it so I had the pleasure of listening to it in the background. Bentley returns to CIA. Treadstone explores “the origin story and present-day actions of a [fictional] CIA black ops program known as Operation Treadstone—a covert program that uses behavior-modification protocol to turn recruits into nearly superhuman assassins. Tara travels abroad.