Spoiler Alert for Tracker season 2, episode 4, “Noble Rot”Justin Harltey’s Colter Shaw has taken on several cases in Tracker season 2, but episode 4 includes a villain twist that makes it better. Season 2 started with an old unsolved missing person’s case that haunts Colter. The case sticks with the rewardist as it goes unsolved, similar to the mystery of who killed Colter’s father in Tracker. The death of the Shaw family patriarch defines Colter’s story. In episode 2, Jensen Ackles returned as Russell Shaw. The brother went looking for Colter on a mysterious Department of Defense site after he went missing looking for a lost person.