Walter is forced to revisit his painful past when a fringe event causes people to spontaneously combust; the team faces off with David Robert Jones.
Detective Britten and Bird look into what appears to be a case of gang violence, but clues from his other reality force him to look a little closer. Meanwhile, Hannah uses her intuition to talk through a tough situation with Rex's girlfriend Emma. Later, Captain Harper finds herself having to take back a promise and Detective Vega is planning Britten's going away party.
The residents agonize over their oral boards, reliving every answer they gave during their exams; Arizona's close childhood friend comes to Seattle Grace for medical help; the doctors work on a patient who is missing one third of his skull; and Julia asks Mark to start a family with her. Meanwhile Catherine tells Richard that one of his residents has failed.
After a classmate suddenly dies, the study group decides to host a memorial, but Jeff turns his speech into an angry anti-Greendale rant.
An important person in Pawnee dies while Leslie is on a bus tour for the final day of her campaign. Meanwhile Andy investigates a security threat, and Chris finds a cure for his depression.
Andy takes a break from flambéing cherries and composing rock operas to jumpstart his Dunder Mifflin comeback. When Robert drunkenly shuts down a nearby branch, Jim and Dwight join forces to outsmart a salesman from Scranton’s uglier sister city.
Nicole searches for a set of salvaged cabinets to use in the Harriet Project's upper unit kitchen. With her own house still up for sale, Nicole visits the historical society to see if she can discover any new information about the property. Meanwhile, the homeowners of the Harriet Project make a decision that Nicole doesn't agree with.
After a commercial plane crashes, taking the lives of all onboard, Olivia Pope and her "gladiators-in-suits" must defend the pilot from media and airline accusations; meanwhile, when Amanda Tanner goes missing, Huck calls upon his dark past to find her whereabouts, and Fitz seeks the help of the Vice President in order to pass key legislation despite their icy relationship.
Stopping at Abtilbe Town's Battle Club, Ash meets his Tepig's former trainer Shamus who abandoned Tepig because he felt he was too weak. Angry, Ash challenges Shamus to a double battle with Snivy and Tepig going up against Shamus's Emboar and Heatmor.
Nadia and Gino need to finish what Gino started in the basement of their investment property so it can start making them money and they can take control of their financial future by paying off the mortgage faster.
Diana needs rental income. Creating a basement apartment will allow her and her two young sons to move downstairs short term while renting the main house until she can afford to move back upstairs and still make money from a rented basement suite.
The immediate intervention of dr. Malaspina, who gave him an antidote: the chess genius Valerian died poisoned in the middle of an exhibition with which he would pay the transfer to America with his girlfriend Rossana Ferri. The police nailed the girl's father, the entrepreneur Matteo Ferri, guilty of having passed to the young the toxic drink, but it is precisely the daughter to hire Nero Wolfe, convinced of his innocence. To the detriment of Ferri, who in public had shown to dislike the relationship between Valerian and her daughter, there is the motive and the dynamics of the murder; but his wife Esther and the lawyer Guastalla say they possess a detail that will exonerate the accused. Wolfe is inspired by the investigation of Graziani to understand that Ferri was framed: among the exhibitors, few knew Valerian, while everyone was in contact with the entrepreneur. Suspicion of Guastalla, that Rossana accuses of having a story with her mother, but when Archie goes to the lawyer's house to look for traces of the poison she finds only her body. Matthew, then, reveals to Archie the detail that exonerates him: he can show that in the Valerian drink he had only put a sleeping pill. Wolfe immediately understands who the culprit is, but he must be flushed out ...
Giancarlo helps Becca as they race to find Azimoff, while Dax and Violet try to capture Becca. Meanwhile Becca learns more about who her real enemy ultimately is.
Officers use GPS technology to track a pair of mobile-phone thieves, and a car crashes into a house over the Christmas period. Plus, Nick pursues a criminal gang. Also Jason contends with his own traffic nightmare.
June is devastated when she receives a wedding invitation addressed to her and her ex-fiance, so in an attempt make her feel better, Chloe gives June a crash course in confidence and fierceness -- but does too good a job.
Sue finds a kindred spirit in her awkward school guidance counselor, Jane Marsh (Whoopi Goldberg), who inspires her to reinvent herself. Meanwhile, Frankie is ecstatic when she and Mike buy a much needed new bed but is gobsmacked when her stubborn husband insists on assembling it himself; and Brick attempts to call the President to outlaw the Presidential Fitness Challenge, which would force him to accomplish some strenuous physical exercises at school.
The impending release of Daniel has everyone on edge as the press grows more and more hostile; the SEC begin their investigation on Grayson Global; and Emily discovers a new photo taken of her father on the day of his death, leading her to more clues about how he died -- and also to a mystery woman and an ominous new target.
A rescue mission, a roast chicken, a very small car and, for one particular person, the weirdest day ever.