Goodwin struggles with the psychological aftermath of her attack. Ripley treats a patient with helicopter parents.
The team fights to save the life of one of their own. Frost and Abrams butt heads with their patient.
An army of surgeons prepares to separate conjoined twins. Asher reconnects with someone from her past.
When a commuter ship capsizes, the ED finds itself under water as the staff struggles to treat the influx of new patients and deal with bold new employees taking charge.
Chicago P.D. steps up Goodwin's security after she's threatened online by a former employee. Archer and Frost treat victims from a disciplinary camp injured during a rockslide. Maggie gets roped into delivering a high schooler's baby.
