Harris and Dietrich are forced to provide protection to an uncooperative witness to a murder that occurred in Chinatown. A business owner is arrested after breaking into his restaurant following a dispute with the IRS. A mugging victim catches the eye of Lt. Scanlon when he pays the squad room an unscheduled visit.

Harris and Wojo bring in a suspect who created a disturbance in Washington Square Park while on a hunger strike. Dietrich befriends and attempts to advocate for an elderly psychiatric patient who may only a victim of a language barrier of those around her. Barney considers taking his name out of contention for Deputy Inspector.