Samira does her best to keep Whitaker on the right track. A teen overdose sparks conflict in the ER.

While Robby handles an ultimatum from the hospital, Mel, Javadi, and Collins each handle unique mother-daughter dynamics.

With the Pitt down a staff member, Robby relies on his team to pick up the slack. Later, Santos finally voices her suspicions.

As the night shift begins, Robby refuses to give up on a mass casualty victim. Samira and Santos each attempt risky moves.