Carol receives a second chance at life when a new heart becomes available. Choi and Archer are in hot water with an old patient. Halstead faces the consequences of the stolen trial medication

Marcel worries he made a surgical error when a recent transplant patient comes in with complications. Carol is once again in distress. Halstead and Manning must take action to right their wrong.

Third-year med students begin their rotation in the ED, and Maggie keeps a careful eye on one of them. Manning tries to cover up how she broke the rules to treat her mom.

An auto accident sends Goodwin into a spiral as she tries to help a young boy and his mother. Manning's secretive behavior begins to draw the attention of Marcel and Halstead.

Archer and Choi respond to a scene that brings back some bad memories. When Carol’s condition worsens, Manning is willing to do whatever it takes to get her mom feeling better.

Choi teams up with an unexpected person to treat a famous tennis player who is afraid his career might be over. Goodwin’s new protocols cause a stir.