Thomas Vincent Kelly

When a Chinese woman, who was the owner of a big-money tour company was muedered, Brenda springs into action to investigate the case. Fritz is tasked to entertain her parents.

Harm and Mac travel to Baghdad to investigate when a government official is killed by insurgents on a routine mission gone awry.

After 10 years at Chicago's County General Hospital, Attending Physician Dr. John Carter (series star Noah Wyle) has risen to a role of respect and moral leadership in the emergency room. His recently graduated colleague Abby Lockhart (series star Maura Tierney) proudly dons a doctor's white lab coat for the first time. Newly promoted to chief of staff, Dr. Kerry Weaver (series star Laura Innes) remains as tough as ever, but chinks have appeared in her armor, especially after the loss of her life partner and the resulting bitter custody battle over their son. Attending Physician Dr. Luka Kovac (series star Goran Visnjic) carries on a complicated romance with streetwise, seasoned nurse Samantha Taggart (series star Linda Cardellini), whose 10-year-old son, Alex (recurring guest star Oliver Davis), looks up to Kovac as a role model, friend and, sometimes, substitute father.

Posing as Webb’s pregnant wife on a CIA mission in Paraguay, Mac has second thoughts about the assignment, until she must stay on it to save a fellow Marine. Harm on his own mission to get in touch with Mac is drawn into a fake marriage ceremony.

Vukovic is sent to Iraq to defend a Marine who was caught on tape killing a seemingly innocent Iraqi civilian.