When Henry is the key witness on Danny and Baez's case, his meddling pushes Danny's buttons until he leads them to valuable information. Also, Nicky shocks her family by siding with her activist friend, Chrissie, who defaced the NYPD flag at One Police Plaza, and Jamie and Eddie learn a parole officer is taking advantage of his power over parolees.

Jamie is under investigation after his police vest is found on a perp. Frank debates whether to aid and protect an old friend whose home was invaded. Danny and Baez investigate the suspicious circumstances surrounding the death of a hotel employee believed to be a suicide. Erin asks Anthony to make a deal with a man who knows secrets about the current D.A.

Frank is blindsided when Mayor Chase bypasses him with a request for Jamie to head his security detail; Danny and Baez investigate the murder of a wealthy college student; Anthony fears money woes are leading his sibling down the wrong path.