Frank causes family tension when he will not endorse Erin’s run for district attorney. Danny and Baez investigate a bloody crime scene.
Jason and the team find innocent civilians in need of rescue just as enemy forces close in on them; the team debates whether to tell Ray that his wife has gone into labor.
Danny and Baez investigate a series of violent robberies and Erin is conflicted about criminally charging a potentially innocent man.
Danny crosses paths with Sonny Le, a criminal from a previous case, when he investigates a gang attack with a shocking motive.
Jamie and his new intel team officer infiltrate a high-tech car smuggling ring. Also, Frank faces off against the city's transit chief.