Christine Avila

Dr. Morgenstern visits County General when he discovers an old mentor is ill.

Jack turns the tables on Gaines; Nina and Tony discover that the plot to assassinate the senator goes deeper than they realized; Sen. Palmer receives surprising news.

Holly pushes Saul and Sarah to their limits; Kevin encounters prejudice in the workplace for the first time; Justin struggles with a hero's welcome from a soldier he saved in Iraq.

As Adam (Sean Giambrone) goes to great lengths to avoid swimming at school, jealousy prompts Barry (Troy Gentile) to undermine Erica’s (Hayley Orrantia) effort to make the world a better place.

Captain Raydor (recurring guest star MARY McDONNELL – Battlestar Galatica) accompanies Brenda on an investigation involving the disappearance of a nanny working for close friends of the mayor. Meanwhile, Raydor's real purpose in taking part in the investigation could have big career implications for Brenda.

When Cuddy's handyman, Alfredo, falls from her roof and develops strange symptoms, she joins the team to figure out what is wrong with him.