French nuclear tests irradiate an iguana into a giant monster that viciously attacks freighter ships in the Pacific Ocean. A team of experts, including Niko Tatopoulos, conclude that the oversized reptile is the culprit. Before long, the giant lizard is loose in Manhattan as the US military races to destroy the monster before it reproduces and it's spawn takes over the world.

An attorney uncovers a political conspiracy in the brutal killing of a wealthy young woman.

A news crew is taken hostage on an airplane set to take off from the Seychelles.

Set in San Diego, the movie follows the desperate acts of Bill Templer head of a covert defense agency perpetrating a terrifying fraud on the American public - involving the imminent invasion of aliens - by leaking to the press a satellite image of an alien armada poised to strike earth. As terror of an alien attack spreads, the President of the United States orders the launching of Peacemaker, a surveillance satellite retrofitted with a nuclear warhead. Templer's elaborate plot is threatened when police detective Kevin Anjanette discovers that the alien images were faked. To protect his scheme, Templer swiftly unleashes the lethal head of his security, Ava Zurich, onto Anjanette. But it's soon revealed that an alien force actually does exist and is poised to strike if Peacemaker is used. In order to protect mankind from total annihilation, Anjanette must race to abort the nuclear bomb that will trigger the alien attack.

An enterprising lawyer, acting on a report that a female colleague is up to make partner, plays up the established rumor that he's gay in order to better his chances at edging out his competition.