A covert strike draws Joe into a chain of events.

Kaitlyn races to contain a crisis spiraling across agencies; Neal tries to steady rising fear at home.

Joe confronts a breach, driving the team into a risky play to root out infiltrators.

A frantic hunt is launched as the team races against time; at home, Neal struggles with growing fears.

Joe leads the hunt as her team exposes a hidden network operating through covert handlers, while Kaitlyn and Westfield hustle to assess the threat.