Maggie and Goodwin's friendship is tested as tensions rise during the nurses union's negotiations with the hospital. Ripley and Archer treat a skateboarder struck by an emergency vehicle. Frost helps a young boy abandoned by his mother.

Maggie and Frost fight to get a pair of lungs for a young cystic fibrosis patient. Hannah learns whether she can become a surrogate. Ripley and Morris treat the daughter of a tech billionaire battling leukemia.