On New Year's Eve, the luxury ocean liner Poseidon capsizes after being swamped by a rogue wave. The survivors are left to fight for their lives as they attempt to escape the sinking ship.

Communist radicals hijack Air Force One with the U.S. President and his family on board. The Vice President negotiates from Washington D.C., while the President, a veteran, fights to rescue the hostages on board.

A twisted yet ingenious killer torments a veteran Secret Service agent who's haunted by his failure years ago to save President John F. Kennedy.