Maggie and OA lead the search for an abducted former biological weapons chemist.

The Reagans confront hard choices on the job when Frank deals with a police captain who’s losing his grip over his precinct, and Danny faces backlash from the Baez and…

Red directs the task force to investigate Roanoke, a legendary criminal who orchestrates elaborate extractions. Meanwhile, Liz works to hatch a secret plan with her mother, Katarina Rostova.