A deadly airborne virus finds its way into the USA and starts killing off people at an epidemic rate. Col Sam Daniels' job is to stop the virus spreading from a small town, which must be quarantined, and to prevent an over reaction by the White House.
Millionaire industrialist Steven Taylor is a man who has everything but what he craves most: the love and fidelity of his wife. A hugely successful player in the New York financial world, he considers her to be his most treasured acquisition. But she needs more than simply the role of dazzling accessory.
U.S. Marshall John Kruger erases the identities of people enrolled in the Witness Protection Program. His current assignment is to protect Lee Cullen, who's uncovered evidence that the weapons manufacturer she works for has been selling to terrorist groups. When Kruger discovers that there's a corrupt agent within the program, he must guard his own life while trying to protect Lee's.
U.S. Marshal Sam Gerard is accompanying a plane load of convicts from Chicago to New York. The plane crashes spectacularly, and Mark Sheridan escapes. But when Diplomatic Security Agent John Royce is assigned to help Gerard recapture Sheridan, it becomes clear that Sheridan is more than just another murderer.