A string of robberies lead back to an unlikely individual. Meanwhile, Voight confronts a key witness in the Bingham investigation.
Will is incarcerated for contempt. Charlie orders Don to track down principals in a sexual abuse case at an elite college. Sloan voices her objection to a new digital site. Jim and Maggie try to get seats on a Cuba-bound plane.
When Jake and Amy go under cover to catch an identity thief, the investigation brings them closer. Meanwhile, the precinct says an unexpected goodbye.
MacGyver, Leanna, Riley and Bozer pose as honeymooners as they go after a war criminal. Bozer wonders if Matt knows about him and Leanna.