The team treats a girl whose father's personal research complicates their treatment plans; A patient refuses a life-saving lung transplant.
A former Guantanamo guard is taken hostage by terrorists; Eric's best chance of saving him is to work with a former detainee who is working with the captors.
Eric and Oliver plunge into a world of espionage when a CIA spy disguised as an American diamond broker is kidnapped in Vienna; Oliver gets an interesting job offer.