Leslie celebrates her first year as a city councilwoman. Retired Special Agent Burt Macklin is recalled to action. April gets some life-changing news. Tom debates a big business opportunity.

Leslie wins an award from an international Women in Government organization, and travels to London with Ben, Andy, April and Ron to accept it.

Leslie tries to calm a minor scandal that gets blown out of proportion. Tom tries to impress a new love interest, while Ben convinces Ron to prepare a will.

Leslie prepares a haunted house with Ben, Ann and Chris for Halloween on the day of the recall vote. Meanwhile, Tom fears the end of Rent-A-Swag and persuades Ron to help save his business.

Leslie comes to terms with her last day in office and plans for the future with Ben. Chris and Ann find out the sex of their child, Andy comes home from London, and Tom looks to the future.

Leslie launches a competition with tech company Gryzzl for a large parcel of land, which she wants to turn into a National Park. April and Andy try to regain their spontaneity. Ben is recognized at a Bicentennial gala, where Tom delivers a speech in his honor.

The Parks gang completes one last task together, before saying goodbye to Pawnee.