Thieves attempt a massive heist against the U.S. Treasury as a Category 5 hurricane approaches one of its Mint facilities.
Two U.S. Treasury ("T-men") agents go undercover in Detroit, and then Los Angeles, in an attempt to break a U.S. currency counterfeiting ring.
Frank Warren is a treasury agent assigned to put an end to the activities of a powerful mob crime boss. The "undercover" agent poses as a criminal to seek out information but is frustrated when all he finds are terrified witnesses and corrupt police officers. Although most informants end up dead, Agent Warren gets critical information about the mob from an unlikely source.
U.S. Treasury Department agents go after a ring of counterfeiters.
The Treasury Department plants a female agent in the office of a luggage company that is suspected of smuggling diamonds.
Sam Whiskey is an all-round talent, but when the attractive widow Laura offers him a job, he hesitates: he shall salvage gold bars, which Laura's dead husband stole recently, from a sunken ship and secretly bring them back to the mint before they are missed. But how shall he manage to get several hundred pounds of gold into the mint without anyone noticing?