Banfield is caught off guard when a man tries to steal her wallet; Dr. Dubenko returns to the surgery team; a family member is suspected of hurting a young gymnast; Sarah gets her... Full summary

Neela learns Abby's good news secondhand and is upset; the new chief, Catherine Banfield, and Abby disagree on how to treat a gunshot victim; Abby defends Sam when she goes before a... Full summary

Dr. Banfield's arrival and attitude causes the ER staff to feel defensive; Gates and the new interns risk their lives saving a terrorist; Neela discovers an unexpected advocate in her... Full summary

Abby awakens after the ambulance explosion and rushes to check on Pratt; Sam and Gates rush to the scene; Morris and Neela struggle to keep up with Pratt's injuries.

Gates worries that his relationship with Sam is not as serious as he thought; a drunken, mysterious patient (Steve Buscemi) threatens the safety of everyone at County General; Kovac is... Full summary

The hospital psychologist works with Morris after his run-in with jewelry thieves; Neela is frustrated when Sheryl (Aida Turturro) needs a fourth surgery for her infection; Abby... Full summary

Pratt decides to fight for his relationship with Bettina, despite her reluctance; Neela treats a young couple but quickly discovers their criminal status; Abby is afraid her... Full summary

Neela finds out the aorta surgery on Sheryl Hawkins (Aida Turturro) has caused an infection; Abby discovers a serious condition while treating a beaten teen; Kovac struggles to forgive... Full summary

Neela makes a quick decision about a patient with a torn aorta; Sarah's grandfather collapses and is rushed to the ER; Gates sends Sam flowers to let her know that he is serious.

Dr. Brenner refuses to teach the interns; Gates treats a young patient with major heart trouble; Abby considers telling Kovac the truth about her affair as she heads to Croatia; Sam... Full summary