"Counterfeit American currency is appearing around southern Europe in large Amounts.
These bogus bills are so good that only an expert can discern them from genuine bills. This high quality causes the fear at the NSA that it could be an inside work at Treasury or even the CIA.
Into this case, Rick Bernard and Summer Sawyer, on assignment to the NSA and Treasury, are sent undercover to find the source of this funny money centered around a Portuguese resort."