Ex-agent Cotton Malone wants to know what really happened to his father, officially lost at sea when his submarine went down in the north Atlantic in 1971. But when he uses his government contacts to obtain the submarine's sealed file, he finds he is not the only person looking for answers. Malone is in the line of fire when he is attacked in an attempt to take the file. He is pitched into a lethal power struggle between Dorothea Lindauer and Christl Falk, twin sisters whose twisted ambition...