In an attempt to get information on a criminal operation, Amy has to go undercover at a women’s prison and befriend one of the prisoners (guest stella, star Aida Turturro)
Rosa enlists Jake to help change Terry’s disapproving opinion about her fast-moving relationship with Adrian Pimento (guest stella, star Jason Mantzoukas).
When an unstable detective (guest stella, star Jason Mantzoukas) returns to the Nine-Nine after years undercover, Jake doesn’t know what to make of him.
The Nine-Nine host the detectives from the Nine-Eight, their neighboring precinct, reuniting Jake with his old partner (guest stella, star Damon Wayans, Jr.).