Two brutal murders and substantial amounts of missing money in the escalating UN/Iraq oil-for-food scandal have led Castillo and his team to a cattle ranch in Uruguay, where the very man they are seeking is murdered right before their eyes. Who is responsible? Prime suspects are the people higher up in the money chain, those willing to risk anything to keep their secrets from being revealed. But they've left just enough of a trail for Castillo to pick up the scent, and, with carte blanche from the White House to follow it wherever it takes him, he ends up...well, somewhere quite unexpected...