Leslie and Andy visit Ben and April at their new jobs in Washington D.C., and Leslie feels overwhelmed by the city -- especially after meeting two of her idols. Meanwhile, Ron throws a "thank you" barbeque for the entire Parks and Recreation staff.
Leslie decides to wage war on obesity in Pawnee in her first mission as city councilor by passing a city-wide soda tax. Meanwhile, Andy tries to get in shape for his police-entrance exam, and Ben struggles to connect with the interns in his office.
Leslie helps a local swim team get more practice time by working on a new law that extends the hours at the community pool; Ron finds himself filling a pothole for a local woman (Lucy Lawless) as part of Chris' new plan to solve citizens' problems around the city; April and Ben take a road trip to Pawnee.
An STD outbreak amongst Pawnee seniors prompts Leslie to conduct a sex education class. Meanwhile, Ron helps Tom adjust to life without technology after his gadgets are taken away, and Ben and April meet Congressman Murray for the first time.
Leslie gets upset when April tries to get Lot 48 made into a dog park. Meanwhile, Tom enlists Ben’s help as he tries to launch his new business venture, and Andy hones his crime scene investigation skills.
Ron, Diane, and Leslie attend a wood working awards dinner after one of Ron's handcrafted chairs is nominated, but the happy occasion is threatened by the arrival of Tammy II. Meanwhile, Jerry hosts a holiday party at his home with his wife, and some of his friends are shocked to find they were not invited.
Leslie is at a loss for words after the speech she prepared for a special event is stolen. Meanwhile, Ben begins his new job at the Sweetums Charity Foundation, and Ann summons the courage to ask an important question.
Leslie and Ben organize a black tie gala to raise money for their park, but their plans are derailed when a city-wide emergency response drill is called. Meanwhile, Andy prepares to take his Police Academy Exam and Ron fills in for Leslie on Pawnee Today.
Leslie is determined to help a local video store stay in business, while Chris offers Tom advice on how to deal with a difficult employee. Elsewhere, Ann resorts to blackmail to get April to be her friend.
Leslie accompanies Ben on a trip to his hometown which has offered him a key to the city. Ron deals with a lawsuit filed against him by Councilman Jamm. Ann and Chris take a parenting compatibility quiz.
Leslie works to get rid of outdated laws from the original town charter. April and Ron receive management training from Chris. Ben finds himself in a bidding war against Ann to win a present for Leslie.
When Leslie finds out Jerry is retiring, she struggles with the proper way to commemorate the occasion. Chris and Ann prepare to have a baby together. Tom worries he will become the office punching bag once Jerry leaves.