Christine Avila

When Cuddy’s handyman Alfredo, a young Latino and the sole provider for his family, falls from her roof and develops strange darkened pinkies, Cuddy joins the team in trying to figure out what’s wrong with him. Despite everything the team tries, the whole hand becomes infected. A trip to the young man’s neighborhood helps them understand Alfredo’s desire for a better life for his family, and provides a clue as to what might be causing his deadly illness.

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.

Dr. David Morgenstern (William H. Macy) takes a trip down memory lane as he stops by County General and Sam's sister (Shannon Woodward) pays an unexpected visit.

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.

Rebecca tries to get Justin to open up about his experiences in Iraq; Kevin deals with perceived homophobia at the law firm which may prevent him from becoming a partner.

Simone and Sipowicz try to track down two Italian men who chased and killed a young Hispanic graffiti tagger in their neighborhood in Little Italy. Despite their breakup, Medavoy helps one of Donna’s old boyfriends when his car is vandalized.