Monroe's alive. Obviously. Turns out Dr. Gene just shot him up with a fuckload of barbiturates to give him a borrowed likeness of shrunk death. So Rachel digs him up and Miles makes I-love-you faces at him and then Monroe just slumps around a shack on the outskirts of Willoughby with a massive hangover until it's time for him to get back in the murderin' business.
In town, an old colleague of Rachel's from the Department of Defense has arrived. Dr. Horn is now in charge of science and shit for the president, and he wants to know more about nanites. Specifically, how one can use nanites to set people on fire.
In flashbacks we learn how the patriots recruited Gene: after Mrs. Gene and a bunch of other Willoughbeans died of cholera, a mysterious fellow named Shaw showed up and handed over some very valuable vaccines. From then on, Gene was his pet physician, helping out with little things like waterboarding and torture in exchange for medicines for the town.
So Horn presses Dr. Gene, his mole, to find out what's up with Aaron. Gene, racked with guilt over all the atrocities he's witnessed, turned a blind eye to, and/or aided and abetted, tells Miles, Rachel, and Charlie he knows what Aaron can do and he can smuggle him out of the newly fortified town in his wagon. But he also tells Horn where to meet him to arrest Aaron.
Miles guesses Gene might betray them, so instead of rendezvousing at the wagon, Aaron and Cynthia escape through the sewer. When patriots catch them, Aaron sets them on fire and Monroe kills their backup. Deprived of his prize, Horn threatens to kill everyone in Willoughby if Gene doesn't hand over Aaron and Rachel.
And back east, Neville manages to break through Jason's brainwashing. He turns on Ms. Justine and demands to know where her husband, in patriot high command, is located.
Previously on Revolution: Aaron turned into Man Carrie, Neville and Ms. Justine found Jason, and Rev. Dr. Gene betrayed Monroe, resulting in his execution. Except he is totally not dead. Not even mostly dead.
From Monroe's POV, we watch as Rachel clears the dirt away and pries open the lid of his coffin. His eyes are rolling wildly, but she tells him not to move. Later, in daylight, Monroe wakes up. Charlie asks what kind of dose Monroe got, and Rachel says it was enough barbiturates to drop a horse. Monroe is dopey as shit, babbling about how happy Miles is to see him. But he doesn't seem to have forgotten about the whole Miles-hid-my-son thing while he was mostly dead.
Charlie asks Rachel why they saved him, and she says it's because they need Monroe. And because Charlie asked her to. And also because hot Australians are basically supporting the American entertainment industry, so let's keep 'em working.
Cynthia and Aaron walk through Main Street, her asking if they're supposed to play along with the patriots' repressive tactics -- apparently they're dictating which books she can teach now. Just as Aaron is telling Cynthia to calm down because the wrong people might be listening, the building next to them explodes. Rachel, Miles, and Charlie can see the dust cloud from the house out of town, where they're still at Monroe's bedside.
Aaron comes to, flat on the sidewalk next to Cynthia. They're surrounded by the broken and bleeding. Rachel, Miles, and Charlie have come to help; Rev. Dr. Gene hollers for his daughter and tells her to put a tourniquet on the injured woman he's clutching.
Patriot HQ. Gene demands a word with Ed, who says they're too busy trying to find the bombing culprit. Gene accuses Ed of setting off the bomb, killing three people in "his" town. Ed takes umbrage with that last point, emphasizing that it's Willoughby, USA, and Gene's job is to keep the citizens healthy and compliant…unless he's not a loyal patriot. He is a loyal patriot, right?
Outside, with armed soldiers on the barricades, Ed blames the bombing on the Andovers but tells the Willoughbeans they have nothing to worry about. And just to show how not-worried everyone should be, the gates will be sealed and Ed is instituting a nighttime curfew. Yeah, that sort of thing totally makes everyone feel safe.
As Ed speaks, Creepiest Man on TV Zeljko Ivanek approaches Rachel. She doesn't recognize him, and he introduces himself as Dr. Calvin Horn, formerly of the DOD Alternative Energies Project. She just stares blankly. He remarks, with an uncomfortable blend of resentment and yearning, that of course Rachel doesn't remember him, since she was the DOD prom queen and he was just a worker bee. Charlie is giving all this the most heroic side-eye. Horn asks Rachel for a private word as Ed finishes, "God bless the United States of America."