Hannah treats a woman whose undiagnosed condition threatens the lives of both her and her unborn child. Goodwin receives a chilling message while battling the hospital higher-ups.
Med runs out of scrubs, forcing the staff to improvise. The life of Archer's son is in danger. Crockett and Charles help a kidney transplant patient experiencing psychosis. Hannah and Will grow closer.
A brutal storm rocks Chicago. Will encourages Dr. Grace Song to go against her own findings for the benefit of their patient. Hannah rushes to the hospital to help Archer's pregnant patient. Maggie's concern for Ben consumes her.
In the aftermath of the Vas-COM scandal, Goodwin clashes with the hospital's new compliance officer.
Will and Stevie get stuck in the middle of a marital face-off. Dr. Blake's entire surgical team mysteriously collapses during a liver transplant. Charles encourages Ethan to reconcile with his father.