In late 19th-century Sicily, the noble Uzeda family – whose lineage dates back to the ancient viceroys that ruled those lands – fights to preserve its waning power in the face of the newly unified Italian regime.
Special Forces Captain Aldo Paccione must pull together his former world team Delta Force and go deep within the mines of Sardinia when it is discovered that a vengeful band of mercenaries are developing deadly biochemical weapons.