Action thriller, starring Sean Connery and Nicholas Cage, about a war hero who holds San Francisco to ransom, and the FBI scientist charged with stopping him.

Action thriller. Armed with stolen toxic gas rockets, rogue US marines threaten San Francisco from Alcatraz island. The authorities counter with a covert mission to get chemical weapons expert Stanley onto 'The Rock', but they require the help of taciturn long-term convict John Mason, the only man to escape the prison alive.