With the ER at capacity post-storm, Danny struggles to balance a full caseload and the arrival of a new attending — who has a history with Xander.

A nightclub fire floods the ER with patients. With Danny's career hanging in the balance, Dr. Cruz must make a difficult decision.

Xander comes clean about what really happened at his former hospital. A new academic year brings a new chief resident — and new challenges in the ER.