Furious with Ron for his relationship with Wendy, Tom brings his boss's ex-wife Tammy as a date to a party for the Pawnee PD.
Ron's honeymoon doesn't go as planned and Leslie gives an unpopular speech at her award ceremony. Meanwhile, Andy considers a business proposal and Tom attempts to compromise with his rival.
Leslie, Ben, Andy, April and Ron head to London after Leslie wins a prestigious award. In Pawnee, Tom learns the identity of his rival.