On Ann and Chris's last night in Pawnee, Leslie throws a grand farewell party and attempts to fulfill one last promise. Meanwhile, Tom, Ben, Ron and Andy struggle to find the perfect going away gift for Chris.

After Leslie tries to take down the wall separating Pawnee and Eagleton, her life takes several unexpected turns. Tom and Ben meet with potential corporate sponsors for the concert, while Ron brings a surprise to the office and finds a new office hobby.