Danny and Baez investigate a series of violent robberies targeting luxury timepieces. Erin is conflicted about charging a potentially innocent man. Frank is forced to reopen a case in which the officer involved was acquitted.

Jamie and his new intel team officer infiltrate a high-tech car smuggling ring. Frank faces off against the city's transit chief over a program that is causing officer injuries on the job. Eddie asks Danny to help her bust a cop impersonator.

Danny reunites with Mickey Patrick, his childhood friend and a former criminal, who comes to him for help finding his missing fiancee. Anthony surprises Erin with one last stakeout before her run for District Attorney.