Jake runs into Jess Day, who is visiting from Los Angeles, and enlists her help on a case. Holt looks for ways to improve morale. Amy investigates Rosa's long breaks.

A road trip to help Jake and Holt take down Figgis is hindered by an unforeseen injury and an interruption by Sheriff Reynolds. Amy and Jake have a difficult reunion.

Jimmy "The Butcher" Figgis sees the viral video, prompting Jake and Holt to begin plotting their attack; back at the precinct, a new captain takes over.

Jake and Holt adjust to their new lives in the Witness Protection Program, while Jimmy "The Butcher" Figgis is still at large; Jake and Holt's anonymity is at risk when a video of them goes viral.

The precinct drop everything when they suspect Holt is in danger, after efforts to track down Adrian Pimento's would-be hitman take an unexpected turn.

Capt. Holt enlists an old friend in the FBI for help with a difficult heist; Terry and Gina find out there's an information leak in the Nine-Nine.

Amy goes under cover at a women's prison to obtain information about a criminal operation; Holt and the team plan a fake funeral in an attempt to catch a hit-man.

The precinct tries to set up perfect bachelor and bachelorette parties for Adrian and Rosa after they announce their engagement. However, Adrian's party falls apart when he tells everyone that someone is stalking him and steals the party bus.

Terry solicits Jake's help to solve a case from his past and prove the precinct is not a joke; Charles and Adrian move in together; Amy, Holt and Rosa attend a training exercise.

Holt's dog, Cheddar, goes missing while Amy and Jake are house-sitting during Holt's trip to Paris; Rosa's fling with Adrian Pimento (Jason Mantzoukas) distracts everyone at the precinct.