Phil gets pissed when he finds out that Tony's been dumping asbestos at a place he owns, and he demands a huge cut of Tony's profits to make up for it. Neither Tony nor Phil wants to give in, and the temporary solution is that the asbestos gets illegally dumped in some wetlands. While distracted by emotion and conversation (and, as it turns out, drugs) while driving with Tony, Christopher veers off the road and flips the truck multiple times. Tony was wearing a seatbelt and escapes with few injuries, but Christopher is wheezing and coughing up blood and begging Tony to help him out of the situation so he doesn't have to take a drug test, which he knows he would fail. Tony can't stop looking at the mangled car seat in the back of the truck. Disgusted by the whole situation, Tony suffocates Christopher. In a dream, Tony admits to Melfi that he's relieved that Christopher died, because now he doesn't have to worry that Christopher will turn him over to the Feds or let him down again. Tony keeps trying to get others to admit to a sense of relief that Christopher is gone, but no one will. In the meantime, Paulie's Aunt Ma dies, and Paulie is furious that her wake didn't get as good of a turnout as Christopher's. AJ seems to be doing better, and he's hanging out more with the two Jasons at college and even going to some college classes. He also doesn't stop his friends when they beat up a random Somali student for being black and in the wrong place at the wrong time. The sight of this random violence sends AJ back into a depression. Tony heads on a solo trip to Las Vegas to get away from everything. He visits one of Christopher's old girlfriends, gives her the bad news, and sleeps with her. They take peyote together. Tony wins a bunch of money playing roulette while tripping, and then collapses in giggles on the casino floor when he realizes that Christopher is really dead. They go out into the desert to watch the sunrise, and Tony starts crying and yells, "I get it!"
A dump truck begins to dump its contents, mostly construction debris, in a warehouse, until a supervisor rushes over and tells the driver to stop. The driver says he's just following orders. Some workers start throwing the truck's cargo back into the truck as the supervisor walks over and (in Spanish) asks a teenager sitting nearby why he's eating sitting so close to the dump truck, adding that the construction debris is full of asbestos and the teen is risking his life. Am I watching the right show?
Oh, I am. Phil (with Butchie) and Tony (with Christopher) have a meeting. Phil says that he just found out the truckloads he was letting Tony's workers dump on his property are full of asbestos, and that Tony was getting a lot of government and school waste-removal contracts based on his promises to follow EPA regulations, which he obviously wasn't doing. As the men talk, Christopher looks around, kind of edgy, which made me wonder if he was on something. He looks pasty, too. Tony cuts to the chase and asks Phil how much money he wants to let them keep dumping the asbestos. Phil wants 25%, which Tony and Christopher both think is ridiculous. Phil knows they have nowhere else to dump the stuff, so he tells them he's not budging on his number. Tony and Christopher stomp off in a snit.
Driving home, Christopher keeps futzing with the radio. See? Edgy. Nervous. Is it the drugs? Or is he nervous about something else? Like killing JT? Or has he gone to the Feds? Anyway, Christopher floats the idea that Tony should meet Phil's number because they don't really have any other options. Tony thinks that would "set a terrible precedent," and Christopher thinks "that's the flying ointment." Were the malaprops this common in earlier seasons? I feel like they were more rare, but maybe I'm misremembering. Christopher goes back to flipping the radio stations. I keep expecting to see a deer leaping out of the darkness and onto the road in front of the truck. Tony snaps at Christopher for his constant station flipping, so Christopher throws in the soundtrack to The Departed. As "Comfortably Numb" starts up, Christopher asks Tony whatever happened to his "stop and smell the roses" attitude. Tony realizes that he may be overreacting to the whole situation, and he and Christopher actually share a nice moment about how it's easy to sweat the small stuff and forget what matters, like family. Tony can't let his beef with Phil go as Christopher pumps up the volume on the radio. He doesn't look good, all fidgety, and Tony keeps giving him appraising looks, trying to figure out his deal. Is he upset? Using? Tony tries to engage him in small talk, but Christopher goes back to the stereo, which causes him to miss a curve and swerve into the other lane, where there's another car headed straight for them. Tony grabs the wheel and manages to get them back into their lane, and Christopher struggles and fails to regain control of the truck. They fly off the right side of the road, onto a hill, and the truck flips over multiple times before coming to a rest sitting upright.