Maven is on the hunt for evil mastermind, The Speckled Pom-Pom, and has a suspect in his sights.
The office holds an election to decide whos in charge of breakroom snacks.
Ilana tries to make some extra money as a temp Abbi promises her neighbor that she will wait for his package, but when she misses the delivery, she must go to the ends of the earth to recover it.
Mel joins an exercise boot camp to lose weight before an eight-course meal Joe clashes with a celebrity chef Lennox and Zander try to sell their Internet series.
When Dallas sees George at the dog park, she recruits Dalia to negotiate her territory in Chatswin, while Tessa has to represent Georges interests. Tessa notices that Lisa is spending a lot of time with Ryans girlfriend, June, and Fred is worried that Sheila is distancing herself.
An L.A.P.D. homicide detective works to solve the murder of a 13-year-old boy while standing trial in federal court for the murder of a serial killer.
The two remaining chefs open pop-up restaurants for the final challenge.
When Phil unwittingly sleeps with a nun, he must keep Nicki from finding out Haskell and Eden care for Holly when she is injured.
Atwater and Burgess are given a new patrol car, but are challenged with keeping it brand new. A run in with a psychotic woman leads the Intelligence Unit to discover a drug smuggling operation which has put several girl’s lives in peril. Voight’s overprotective act with Lindsay leads her right where he doesn’t want as she also helps to keep Justin out of trouble. Meanwhile on stakeout, things get tense between Olinsky and Ruzek as Olinski tries to teach him the finer points of surveillance.
As Laurel continues to unravel, Oliver and Lance try to convince Sara to stay in Starling City and finally reunite with Laurel and Dinah. However, Saras fellow League of Assassins member, Nyssa, comes to bring Sara back to the fold, but when Sara refuses, Nyssa kidnaps Dinah. Realizing shes putting her family in danger by staying in town, Sara considers re-joining the league.
When JJ is kidnapped, the BAU delves into her time at the State Department to find clues to her disappearance and uncover a secret mission that now puts her life in danger. To help with their search for JJ, the team calls upon Prentiss to help in the crisis
A mischievous Ann invites Fleming to Esmond's birthday party, and although Fleming has brought Muriel as his date, sexual chemistry sizzles between them. Meanwhile, France is looking like it's about to crumble against Nazi forces. Office bound and desperate to be a man of action, Fleming urgently tries to persuade Godfrey to send him to France to oversee the destruction of secret files at one of their bureaus. To his surprise, Godfrey accepts. Fleming sets-off on his mission, but when unexpected obstacles arise, how will he handle the dangerous consequences
Reverend Deveaux interferes with the Hecks' plan to use their coupon for an all-you-can-eat buffet after church.
Karen indulges her competitive instincts, and Ben explores human psychology.
Claire and Phil decide to spy on Luke and Manny as theyre hanging out with one of their more questionable friends. Meanwhile, Gloria is furious with Jay because she thinks he had a dream about another woman, but Jay misinterprets her anger for another offense he committed. And, Cam secretly uses Mitch as a scapegoat to get out of attending a party, while Haley tries to keep her photography exhibit a secret from her family.
When a woman is found dead in Mexico and a murdered couple is discovered in a driveway, evidence from one investigation could help the other.
As Gibbs (James Lesure) agrees to marry his British girlfriend to get her a green card, Milo (Danny Masterson) is upset to learn his new girlfriend is close friends and business partners with her female ex. Tyler (Michael Cassidy) fights for their new boss' (guest star David Krumholtz) approval.