During the heart of World War II, in March of 1943, cryptoanalysts at Britain's code-breaking center have discovered to their horror that Nazi U-boats have changed their Enigma Code. Authorities ...

The world's most dangerous secret lies between them.

There's more to work than life. The devil's work is never done.

The defective Alex Holbeck is recruited in Paris by the C.I.A. and sent to East Berlin to steal the scrambler of the Enigma, the machine used by Soviet intelligence for communication. On arrival ...