New York proves itself both a jewel box and a fish tank of romance as Charles, Mabel and Oliver take their relationships to the next stage; dating can reveal many hidden secrets.
A doctor connected to Voight is investigated after four patients with chemo overdoses are sent to Chicago Med; Platt and Burgess work to clear Roman's name.
A mysterious child who was living alone underground forms an unspoken bond with Olivia; a serial killer resurfaces.
After a single mom is arrested for leaving her young daughter alone for days, Sgt. Benson suspects the woman may have been abused in her own childhood.