The parks department are allowed to go back to work so Leslie gathers them together and tries to persuade Ben and Chris to give her more money. She asks Ann to go out with Chris and subtely steer him towards opening up the parks budget. Ron is now dating Wendy much to Tom's chagrin and Andy vows to pursue April until she goes out with him.
Chris and Leslie get the flu as the big pitch to local businesses for the Harvest Festival arrives. Ben says he can handle it but Leslie will stop at nothing to be there. April is also sick and tries to torture Ann for kissing Andy. Meanwhile Ron gets Andy to take April's place and they bond over meat and football.
Leslie asks her staff for contributions to a Pawnee time capsule. A man called Kelly handcuffs himself to the pipes in her office insisting that she include the Twilight novels. Leslie decides to open the capsule up to the public and is inundated with unacceptable suggestions.
Tammy returns to mess with Ron and Tom bitterly helps her out. Ron ends up in an intervention hosted by Leslie after being arrested for public indecency. Meanwhile Chris announces he is heading back to Indianapolis and wants April to go with him to be his assistant.
Leslie, Tom and Ben are doing the media rounds to promote the Harvest Festival. The hosts of radio and TV shows though would rather talk about Ben bankrupting his hometown while Mayor. Ben breaks down under questioning and the Festival fails to get the good publicity which it needs. Meanwhile Andy agrees to do all of the parts of April's job which she hates to convince her to stay in Pawnee. Ann tries to get Chris to talk about their future.
Ron and Leslie head to Indianapolis to collect an award. Ron is excited to visit his favourite steak house and Leslie is on a mission to find out if Chris is cheating on Ann. Leslie also encourages Tom to take Ben on a night out to the Snakehole. April and Andy decide to have a date at the club too but Andy has no money.
The Harvest Festival has arrived and Leslie is proud to have put together such an amazing event. The only dissenting voice comes from the local Native American community who don't like that the carnival is on top of a burial ground. Meanwhile April tells Andy that she loves him, Ann tries to move on and Jerry is put in charge of the town's beloved mini-Horse little Sebastian.
The Harvest Festival was a huge success and Leslie is now under pressure to come up with a new idea. She organises a camping trip to get her team to brainstorm. Meanwhile Chris returns to work in Pawnee and Ann assumes they will get back together. Andy goes to the wrong camping site and has to track April down.
April and Andy invite their friends to a dinner party and ask them to bring various things. Once there Andy lets slip that this isn't a dinner party, it's their wedding! Leslie is upset and tries to talk them out of it. Ben is trying to decide whether to stay in Pawnee and work for Chris or go back to Indianapolis. Ann and Donna end up at the same singles evening.
Chris wants to stop Pawnee from becoming any more obese. He and Ron engage in a cook-off: beef burger v turkey burger. Leslie asks Ben out but he backs off. Ann convinces her to sign up to a dating website but she is horrified to find that Tom is her soulmate. She goes out to lunch with him to see how this can be possible.
Chris is trying to set Ben up with a woman and Leslie is bummed out. She then gets a boost of self esteem when Jerry uses her as inspiration for a painting of a female Centaur. She wants the painting hung up at City Hall but naturally this meets a lot of objections. Meanwhile Ben needs somewhere to live and movs in with Andy and April. He is shocked at their lack of domestication and tries to educate them.
Leslie finally discovers Ron's birth date and he lives in terror of what kind of wild party she is going to unleash on him. Meanwhile neighbouring Eagleton puts up a fence to keep Pawnee children off of its park. Leslie's former friend Lindsay is the one responsible and the two come to blows over the incident and their past.
Tom invites the whole of Pawnee's government down to the Snakehole Lounge to try his new drink "Snake Juice." He asks his friends in the Parks Department to help spread the word but Chris tells him he can't do this. Leslie pushes Ann to take a new job at City Hall working on PR for the Health Department. Ann is more concerned with the guys she is dating. Everyone gets hammered on "Snake Juice" and Ann and Leslie have a big fight. April and Andy decide to make their guerilla marketing more fun by taking on characters for the night.
Leslie and Ben are sent to argue Pawnee's case in hosting the State-wide Little League competition. Leslie is scared that spending time alone with Ben will lead to them hooking up and then to losing their jobs. She does what she can to avoid a romantic situation and just when she is about to give in Chris appears. With Leslie gone Tom asks the Parks Department to test out his new gameshow where he asks couples questions about their partner. Andy and April don't fare well and he gets mad when she "insults" MouseRat. April goes to Ann for advice on how to win him back.
Ben has a meeting with Leslie's mom but Leslie doesn't want to end the honeymoon part of the relationship so soon. Ben makes a horrible first impression and so Leslie coaches him how to handle their second meeting. Chris begins to reorganise the Parks Department and makes everyone miserable with his new arrangements.
Li'l Sebastian dies and Pawnee throws him an elaborate memorial. Tom encourages Jean Ralphio to set up a media conglomerate to organise it. Ron finds out about Ben and Leslie and warns them that they be fired for their affair. When a maintenance man catches them canoodling at the memorial they bribe him with a day off and scramble to do all his jobs for him. Chris is distraught when he is diagnosed with tendonitis.