A suicide bomber and his victims are set to become travelers, but the bomb explodes and only Donner, the bomber, survives. Devastated by his failure, Donner tries to betray the traveler program to the authorities, but the entire hearing is populated by travelers who hold a trial and convict Donner of treason. Donner is overwritten by a new traveler, who must serve Donner's prison sentence, and reports that things in the future are getting worse despite the changes enacted by Traveler teams in the 21st. Luca approaches Donner in prison, implying that he has lost faith in the Director. Ken, David's boss, believes David's relationship with Marcy is inappropriate. Upon meeting Marcy, he believes she has defrauded the system. Marcy saves David's job by repaying her benefits. Grace, Trevor's guidance counselor, and Jacqueline, Carly's social worker, genuinely care about them, respectively. Grace tries to help Trevor with his academics, and Jacqueline promises that she will not let the system fail Carly and her child. Philip discovers that gambling outcomes are deviating slightly from the historic record.
During an update for historians, one of them dies from cerebral overload and is taken over by another traveler. The faction then breaks in and kidnaps the historians. A Blackbox is a device used to extract information from an unconscious or dying person and the team uses one to access a critically injured Hall to ascertain the location of historians. Jeff reaches out to his police sergeant to get his job back and is told to get help from a social worker first. Philip is questioned by the faction. Philip is given time with Kyle as a gesture of good will, who states that he sympathizes with the faction's goal, especially since he just saw another historian die during the update. Faction saves a TELL that Kyle provided to gain his support. Jeff reaches out to David to sign his therapy form for him to get his job back. David agrees to help as a social worker with Jeff's addiction, which the traveler doesn't actually have. Hall is able to relay information from when he was tracking his team's historian showing he ran into a faction team and was shot climbing a fence. He reveals that it was Kyle and Luca from his own team that shot him. Hall is able to show the team the location of the historians and the team is dispatched. While with David, Jeff receives a message to meet up at the location for tactical support. Philip is able to escape before being cornered by Kyle and Luca. Maclaren's team shows up just in time to save Philip and kills Luca and Kyle. The team saves all the historians while taking out many of the faction. Hall is told he saved them all and is able to pass away in peace knowing that. Jeff and Carly reconnect. Philip is seen throwing out his yellow pills that historians have to take.
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