Western star Rory Calhoun swaps shootouts for swordplay in this "excitement-filled tale of deviltry romance loyalty and treachery" (St. Petersburg Times) directed by the producers of TV's the Saint. A dashing ex-officer in His Majesty's army Captain Adam Corbett (Calhoun) becomes embroiled in intrigue when he agrees to escort Colonel Wilfred Jackson (Ian Hunter) and his daughter Pauline (Patricia Bredin) on a perilous quest for treasure. Possessing one-quarter of a map they soon rendezvous with three mysterious characters each with a fragment and a secret agenda. Armed with only a sword and his wits Corbett battles brigands soldiers and thieves as he accompanies the expedition to the island of Monte Cristo where betrayal and fortune await.