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. Also, Erin is conflicted by the weight of her authority in the sentencing of a man guilty of vehicular homicide, Danny and Baez pursue a rideshare rapist and Jamie and Eddie team up to aid a fellow officer when his partner is shot on the job.

The Reagans confront hard choices on the job when Frank deals with a police captain who's losing his grip over his precinct, and Danny faces backlash from Baez and Internal Affairs over a tough call he made in the field. Also, Jamie and Eddie are shown the ropes of field crisis management when a social worker is assigned to them for a ride-a-long, and Erin weighs the consequences of a dangerous criminal's release under new bail laws.