Giuliana Santini

Two boys brought in after a fight at school leads Cleo to discover that one of them has been injecting himself with hormones. Hathaway's obstetrics nurse, Abby Lockhart, joins the ER as a third year medical student on an ER rotation. Isabelle Corday (Judy Parfitt) arrives in Chicago as a guest lecturer and meets with her daughter, Elizabeth. Kovac and Hathaway administer to a chronically ill 3-year-old boy. Hathaway proves that his mother intentionally induces the boy's symptoms. Cleo shows Greene that she can play basketball as well as any man.

Admiral Chegwidden investigates the apparent suicide of his mentor, who allegedly shot himself while on a hunting trip with several friends. But when someone murders yet another Admiral, the team investigates and discovers that AJ is in immediate danger.

Harm and Mac are assigned to investigate an overseas military training accident in Italy that resulted in the death of six civilians at a popular ski resort. The incident becomes a political nightmare when Italian officials threaten to close American military bases in their country unless someone pays for the tragedy.

The Admiral mixes business with pleasure when the JAG team goes to Italy for a trial and he takes the opportunity to visit with his daughter. When she is kidnapped right in front of him, he's lucky to have his A team there with him.

Dalton tries to reconcile with Mac but starts stalking her after she declines his offer. She agrees to meet him one last time at the bar but when he arrives, a masked assailant robs him and fatally shoots him. When she is finally allowed to return home, Mac discovers a break-in and threatening message left in her apartment.