Business becomes personal for Frank and his 1 Police Plaza team when Baker is assaulted on the street, as well as for Erin, when she asks her ex-husband, Jack Boyle, to represent a defendant sheβs prosecuting. Also, Eddie wonders if sheβs being too stubborn after she publicly undermines one of Jamieβs decisions at work, and Danny and Baez investigate the attempted murder of a couple with huge secrets.