R.J. Brown

Eddie and Jamie become involved in a complicated adoption case, and Frank looks into reports of NYPD cadets cheating on their psychological exams.

Chicago's first responders unite in the wake of a catastrophic gas explosion and fire that threaten a city government building; Herrmann reluctantly shadows Pascal while Violet, Novak and Dr. Frost take charge of triage efforts on site.

Following the subway tunnel collapse, Ruzek and Kidd treat injured passengers and track down the missing offender; Archer and Frost perform a life-saving amputation; Lenox feels the weight of the CPD's hopes as she fights to save one of their own.

Hannah invites Elijah to join her in her quest to complete an assignment, Jessa looks for a job, and Hannah, Shoshanna, and Elijah attend Marnie's performance.

Hannah receives some news, Marnie divulges a secret to Shoshanna in the meantime, and Jessa's boss asks her for a favour.

The Intelligence Unit find themselves at the centre of a deeply complex case after a tip off sends them on a mission to bust a drug deal.