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.
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.