When tightly wound Capt. Holt takes over the precinct, carefree Det. Jake Peralta and his dysfunctional coworkers' lives get demanding.

While investigating a string of hotel robberies together, Jake discovers that Amy may transfer to the Major Crimes unit and work with "The Vulture."

When Jake and Amy suffer a wedding day crisis, the Nine-Nine attempts to salvage the nuptials. Holt receives news on his bid for the commissioner job.

The squad takes stock of its eight years together and looks toward the future.