Adia Alli

Voight teams up with an unlikely ally to take a killer off the streets while fighting to bring his Intelligence unit back together.

When a subway train goes off the tracks, Crockett volunteers to help the victims. Vanessa and Will must decide if they're willing to risk their jobs to save a patient. Hannah and Archer clash over a pregnant patient.

Charles and Nellie clash over the treatment of a paranoid patient. Ethan treats a pregnant patient from Hannah's past.

Will relies on Crockett and Med's newly donated OR 2.0 to save his patient. Charles helps an elderly confused patient who's mourning the loss of his high school sweetheart.