After the 1815 Restoration, an aging revolutionary finds himself reluctantly involved in an attempted insurrection in Southern Italy while growing increasingly disillusioned with his cause.
In order to put an end to the numerous ambushes on the gold transports which are a real menace to the finances of the American government, the agent Joe Ford, called Dynamite Joe due to his liking for explosives, is entrusted with controlling the next transfer.
A dangerous criminal group wants to destroy St. Peter's Basilica and the secret agent James Tont is the only one who can help it.
