Frank must decide whether the department can accommodate a request to remain in the field from Detective Allison Mulaney, a lauded cop who is wheelchair-bound after being wounded in the line of duty. Erin is conflicted by the weight of her authority in the sentencing of a man guilty of vehicular homicide. Danny and Baez pursue a ride-share rapist. Jamie and Eddie team up to aid a fellow officer when his partner is shot on the job

Mac’s meeting with Desi’s parents goes sideways when her brother finds himself in trouble and desperately needs their help. Russ and Matty must ask an old nemesis for assistance when their new recruitment candidate is kidnapped.

Jimmy pens his weekly thank you notes in an all-new Thank You Notes and then chats with Rob Lowe, Lil Nas X and Regé-Jean Page before enjoying stand-up from comedian Mark Normand.