S2, E15: With her recent decision to stay on the beat, Burgess (Marina Squerciati) begins to feel a little regret. While at a convenience store she sees some suspicious activity and pursues it without calling in for backup. Roman (Brian Geraghty) warns against it, but it’s too late, Chang (guest star Rich Ting) confiscates their guns and radios. They are trapped with no means to communicate out for support. Meanwhile, it’s a slow day in intelligence and they are spending the day receiving taser certification. Also starring Jason Beghe, Jon Seda, Sophia Bush, Jesse Lee Soffer, Patrick Flueger, Elias Koteas, LaRoyce Hawkins and Amy Morton. McKinley Belcher III, Rege Lewis and Calvin Dutton guest star.