In the aftermath of the Clark family's actions, new leadership assumes control of the Ranch. Daniel assists Lola in the distribution of water. With the Ranch dangerously low on resources, Madison and Walker leave in search of a solution. Nick and Alicia struggle to keep the peace.
Madison wakes up in Jeremiah Otto Sr.’s house and rummages through the dead man's office.
Alicia strenuously works the water pump, but only a few drops come out.
Nick kills an Infected and gazes toward the border, thinking of Luciana.
Alicia returns to Jake’s quarters with the water she’s collected. She cleans Jake’s face with a damp cloth and frets over his slow recovery from the anthrax attack.
The militia returns to their ATVs and discusses the influx of Infected. Nick suggests they mend the fences.
Madison searches Otto’s desk, his blood stain still there from the murder that took place. Some of the drawers are still locked.
Nick and Troy spot Walker’s convoy as it approaches the ranch. Jake greets the convoy and shakes Walker’s hand. The ranchers warily look on as Walker waves the convoy through the gate: The Nation has officially come to live at Broke Jaw Ranch.
Jake leads Walker into the pantry to discuss details of the Nation residing at the ranch. Troy walks out after voicing his disdain for the Nation and butting heads with Crazy Dog, Walker’s right-hand man. Jake assures Walker that, unlike Troy, most ranchers have accepted the peace deal.
Jake shows Walker the arsenal and gives him one of the two keys required to access it. He explains they can only access the arsenal when the other is present.
Nick joins Troy at Otto’s grave and says that he, too, lost an alcoholic father to what was probably suicide. Troy blames Otto for killing himself and leaving them with a mess.
At the dam, Lola mobilizes her group to distribute water on the street. Daniel and Efrain urge her to stay behind for her safety, but she insists on joining them.
Crazy Dog and Coop, a militiaman, check Nation warriors and ranchers for weapons at the entrance to a meeting tent. Crazy Dog tells Klah that he can’t bring his knife inside.
Alicia informs Madison that she is undermining Jake’s leadership by back-channeling with Walker. Madison denies that she’s been speaking to Walker, but Alicia doesn’t believe her.
Lola distributes water to desperate people in the streets while Daniel stays on the lookout for threats to her safety. The crowd disperses when an Infected herd approaches.
In the meeting tent, Jake urges ranchers to forgive the Nation and work toward building a future together. Walker declares that his grudge against the ranch died when Otto sacrificed himself for a peace deal.
Nick visits Ofelia in the adobe. She admits to not feeling particularly guilty about killing ranchers with anthrax. She asks Nick if he feels any guilt for what he’s done.
Walker privately asks Madison if she’s prepared to handle Troy, should he become a threat. She assures him that she is.
Troy complains to Jake about the peace deal. Terrence, one of the ranchers, points out that Walker’s people killed Gretchen. Jake reminds them that Walker denied killing the Trimbols. After Jake leaves, Troy complains about the people the nation has killed. Gretchen’s death is still effecting Terrence.
Alicia finds Walker burying his father’s remains in the desert. She tells him to deal directly with Jake, not Madison.
Madison pries open a drawer in Otto’s desk and finds documents detailing current water levels at the ranch.
Terrence walks up to Crazy Dog and pulls a gun from his hoodie. Crazy Dog spins around knocking the gun away from him. A stray bullet hits a member of the nation. Crazy Dog locks Terrence in a choke hold and nearly chokes him to death, but releases his victim when Walker steps in.
Alicia informs Walker that Terrence might asphyxiate from a crushed throat. Walker worries that other ranchers will follow Terrence’s example and demands the second arsenal key from Jake so that his people can arm themselves. Madison takes Walker’s side and urges Jake to let the Nation control the weapons and sweep the ranch for all remaining weapons. Jake reluctantly gives Walker the key.
The militia and Walker’s warriors collect weapons from all the ranchers.
Nick tells Madison that he can handle Troy, but Madison worries that Troy will kill Nick if he finds out that Nick killed Otto. Nick is not sure what reaction he will have.
Madison, Nick and Walker go to Otto’s house to collect weapons from Troy. When Walker heads upstairs to check the house, Troy grabs a gun from Otto’s desk ordering everyone out. Nick stands in the way of Troy who fires a warning shot into the ceiling. Everyone clears out. Nick stays behind with Troy.
Madison promises Walker that she can fix the situation with Troy and Nick.
Inside, Troy opens a secret cache of weapons and suggests they snipe Walker’s people from upstairs. Nick urges Troy to honor Otto’s self-sacrifice and stand down. Troy’s mind is made up. He hands Nick a rifle.
Madison urges Troy and Nick to disarm, but they’re interrupted by gunfire from the Nation. Troy fires back. Someone pulls Madison out of harm’s way.
Walker’s men enter Otto’s home and open fire. Troy saves Nick from Crazy Dog and gets a knife through the hand in the process. Nick and Troy take cover in an upstairs bedroom. Troy prepares for his final stand.
At the dam, Lola counsels Daniel to stop looking for Ofelia. She needs him and is worried his hope will only lead to heartbreak.
Nick pleads with Troy to give up the fight. Nick finally confesses to Troy that he killed Otto. Troy is stunned and aims his gun at Nick but decides not to shoot. He's broken by the news about his father. Walker’s men barge into the room.
The next day, Madison and Walker discuss punishments for Troy and Nick. Madison worries that killing Troy would only turn him into a martyr, so they agree to exile him. Madison forbids Walker from killing Nick or exiling him.
Lola and Efrain distribute water to a crowd. A man accuses them of controlling the dam for personal gain. Daniel rushes Lola to the truck as the crowd turns on them and attacks. They drive off.
Jake tells Troy the punishment that's been handed down. Troy takes the news in stride and insists that Madison is the one who takes him into exile.
Walker gives Troy provisions, a knife, a gun and one bullet, in case he doesn't want to live. A Nation warrior escorts Nick to an outhouse for imprisonment. Madison and Klah get in a truck to drive Troy into the desert.
Madison parks in the middle of the desert. Troy gets a hold of Klah’s knife and stabs Klah dead. Madison aims a gun at Troy and orders him to go. He wrestles her and reveals that he knows about Nick killing Otto. Madison regains control and points the gun at him.
Troy walks off into the desert alone.
Nick wilts in the hotbox. From the window slit he can see an Infected Troy walking towards him. Suddenly, Troy falls to the ground catching himself with a somersault into a grand finish. We realize Troy is not infected. Troy unlocks the hotbox and helps Nick out. Only Nick finds himself still trapped in the box and hallucinating the whole encounter.
Madison and Walker look upon a nearly depleted reservoir. Madison tells Walker that Otto was aware of the low reserves. She insists they keep the water situation a secret in order to maintain peace at the ranch. Walker suggests they buy water from a trading post in Mexicali.
Madison and Walker tell Alicia, Jake, Ofelia and Crazy Dog that they will be gone for a couple of days to secure a backup water supply. In the meantime, they instruct them to enforce water rationing across the ranch.
Madison reveals to Alicia that they only have six weeks of water left. She urges Alicia to keep the secret and gives her a radio to stay in touch.
Madison stops by the hotbox to give water to Nick. She then departs with Walker in a water tanker.
Crazy Dog releases Nick from the hotbox. Alicia brings Nick back to Otto’s house and informs him of the water rationing.
Ranchers complain to Jake about the rationing. Alicia scolds them and urges them to trust Jake.
Madison and Walker make camp for the night. Madison touches base with Alicia over the radio and asks about Nick. Walker tells Madison that she is overprotective.
In the middle of the night, Coop and Blake visit Nick and thank him for helping Troy fight the Nation. They give Nick the last rancher-controlled gun and want to rebuild the militia to fight back.
Ranchers and Nation members line up at the well to collect their rations. Ofelia and Crazy Dog oversee the rationing. Blake tells Nick that he saw one of the Nation women double-dip at the well.
Madison and Walker drive to a large trading post at a stadium. Walker takes a canister of gold out of a box.
Madison and Walker surrender their weapons at a checkpoint. Madison reluctantly trades her radio to pay for admission into the trading post.
Madison and Walker enter the trading post. They find the outpost packed with bustling stalls and customers selling everything imaginable.
Alicia visits Ofelia and Crazy Dog at the adobe and suggests they devise a system to ensure that no one double-dips from the well. Ofelia refutes the charges of double-dipping and brings up a rumor that the militia is rebuilding.
Blake and Coop gather ranchers to form a new militia. Nick warns them against attacking the Nation prematurely but suggests they take action if the Nation pushes any further.
Alicia admonishes Nick for harboring a gun. Nick points out that ranchers are listening to him. Alicia says they only trust him because they don’t know that he killed Otto. She accuses Nick of killing Otto for Madison.
Alicia tries to reach Madison over the radio but gets no response.
Madison and Walker approach Maria Lu at the trading post and ask for 10,000 gallons of water. Walker presents her with the gold and offers to give her a dozen more canisters. Maria Lu agrees.
Madison spots Strand getting roughed up by a gang of men who work for Proctor, the man who runs the trading post. She tries to help Strand. Maria Lu calls off the deal once she realizes that Madison is friends with Strand, who owes a debt to Proctor. Madison attacks the men and flees with Strand and Walker.
Strand leads Madison and Walker to a hideout. Strand tells Madison that he plans to reconnect with a friend who controls a dam near Tijuana. They rest for the night.
The next day, Alicia catches one of the ranchers taking a second term at the well. A Nation member calls the rancher a thief. A fight breaks out. Alicia silences the crowd and reveals that they only have six weeks of water left. Mayhem ensues. Crazy Dog shoots a gun and orders the crowd to back away from the well. Nick guards the well with his gun and is joined by other ranchers. Ofelia convinces Crazy Dog to back off.
Walker follows Maria Lu around the trading post, trying to keep a low profile.
Madison catches up with Strand in the hideout. Strand, learning of Travis's death, consoles her. Guards barge in with Walker as their captive. Walker says the guards had threatened to kill them.
A guard tells Madison that Strand must pay off his debt to Proctor by defending the front gate from Infected while chained up. Strand urges Madison to leave him and return to Nick and Alicia.
Alicia watches over the camp as ranchers gather weapons. Through binoculars, she sees Nation members digging a new well.
Walker tells Madison that he salvaged the water deal with Maria Lu and that they will get their water in the morning.
The militia discusses strategies to overtake the Nation. Nick suggests they avoid bloodshed by simply disarming the Nation.
Proctor’s men chain Strand up outside the stadium gate. Strand grabs a hammer as a group of Infected approaches.
The next morning, Walker brings the gold to Maria Lu only to find that all the canisters are empty.
Meanwhile, Proctor's men release Strand from his chains. Madison has paid his debt.
Walker confronts Madison about using his gold to pay off Strand’s debt. She reasons that the water tanker was just a short-term solution and that Strand can lead them to a longer-term solution: a dam.
Nick and the militia sneak up to the adobe with guns. They see Alicia digging a new well with the Nation. Coop tells Nick to remove her from harm’s way.
Inside the adobe, Ofelia and Crazy Dog lie in wait for the militia, ready to counterattack.
Nick gives his gun to Blake and joins Alicia. Crazy Dog and Ofelia leave their weapons behind and go outside.
Nick, Alicia, Ofelia, Crazy Dog and other ranchers and Nation members all join together to dig.