NCIS: Season 2, Episode 10

2 - 10: Chained

Tony goes undercover as an escaped prisoner. He is tasked with sticking to a convict who has information about stolen Iraqi antiques. During the investigation, Tony disappears, and the GPS locator that Abby placed on him is no longer working. After some startling discoveries in the case including information that the convict Tony is accompanying may in fact be a murderer with blood on his hands, the team realise that Tony's life may be in danger and race against time to find him before it's too late.