A Chicago crime resembles a decade-old New York City case, so police from Chicago arrive and team up with the squad to track down a suspect they had to release…

When Rollins strikes a deal with the managers of a gambling club in order to protect her job, she ends up drawing the suspicion of Benson and Tutuola.

Investigation into the suspected rape of a woman Benson helped earlier leads to a cybermogul; the team bids farewell to Sgt. Munch.