Three months after the battle with New Bern tensions are still high between the towns, and Jake has set his sights on Constantino despite warnings from the militia leader; meanwhile, Hawkins meets up with an unexpected ally.
Dale returns from trading with news that the Hudson River Virus has crossed the Mississippi River, and when the town's vaccine supply is seized Jake coordinates a retrieval operation. Elsewhere, Hawkins is forced to show part of his hand to Beck.
Dale's smuggling route is threatened, Hawkins creates an elaborate ruse to get Beck away from his office, and an apparent accounting error found by Mimi has devastating consequences.
Major Beck moves against the rangers in retaliation of Goetz's shooting, and Jake's surrender subjects him to extreme measures. Meanwhile, Hawkins decides to move the bomb, but a betrayal will put everything at risk.
Jake and Hawkins risk their lives to retrieve the bomb and prevent Texas from joining with Wyoming; back at home, Beck is faced with some unpleasant truths, and Constantino offers a partnership.
