Who caused a subway train to go off the tracks?
On Chicago Med Season 8 Episode 4, Crockett volunteered to help victims.
Meanwhile, Vanessa and Will had to decide if they were willing to risk their jobs to save a patient.
Elsewhere, Hannah and Archer clashed over a pregnant patient and the treatment plan they thought was best for her.
Use the video above to watch Chicago Med online right here via TV Fanatic.
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