Frank intervenes when tensions rise between Mayor Chase and the fire commissioner of New York City. Also, Erin is blindsided when Henry agrees to testify for the defense in a case she is prosecuting; Danny and Baez investigate when human remains are discovered in a storage unit; and Eddie and her partner Badillo navigate a complicated arrest when their criminal offender is scheduled to donate his kidney.

Danny and Baez scrutinize an art gallery suspected of selling counterfeit pieces after a detective investigating the establishment is murdered. Also, Eddie is conflicted when she discovers her former partner turned social worker, Rachel Witten, crossed the line to get a mentally ill client much needed help; and Frank is upset when an award Danny was to be honored with is rescinded by Grace Edwards, the widow of an NYPD officer killed in the line of duty.