Minutes after soldiers evacuate a Nevada town, a bomb completely destroys it. On vacation, FBI agent Alex Cross gets the call: the blast was perpetrated by the Wolf. A supercriminal and Cross's deadliest nemesis, the Wolf threatens to obliterate major cities, including London, Paris, and New York. Then evidence reveals the involvement of a ruthless assassin known as the Weasel. Could these two dark geniuses be working together? Now with just four days to prevent an unimaginable cataclysm, Cross is catapulted into an international chase of astonishing danger --- and toward the explosive truth about the Wolf's identity, a revelation that Cross may not survive.