Officer John Nolan is assigned to guide the precinct's new night general detective, Nick Armstrong (played by Harold Perrineau), who handles off-hours major crime scenes.

Here is a comprehensive breakdown of the episode's major plotlines and character developments. 🌃 The New Partnership: Nolan & Detective Armstrong

. Airing on October 6, 2019, the episode introduced pivotal new characters and forced the main cast to grapple with major personal and professional shifts.

During a hospital visit on the case, Nolan unexpectedly runs into Dr. Grace Sawyer (played by Ali Larter), a former college flame. Their visible, lingering chemistry introduces a new layer of romantic tension for Nolan. 📚 Bradford’s Exam & Chen’s Support "The Rookie" The Night General (TV Episode 2019) - IMDb