As a new day begins in the town of Silverton, its residents have little reason to believe it will be anything other than ordinary. Mother Nature, however has other plans. In the span of just a few hours, an unprecedented onslaught of powerful tornadoes ravages Silverton. Storm trackers predict that the worst is still to come, as terrified residents seek shelter, and professional storm-chasers run toward the danger, hoping to study the phenomenon close up and get a once-in-a-lifetime shot.
Judge Gwen Warwick becomes involved in the murder trial she has been assigned. Her marriage is on the rocks and the murder victim is an old friend, who rumour has it, had an affair with her.
T.J. and his friend Dexter quit their jobs in Detroit to become ski-instructors in Aspen. While T.J. advances to the most popular instructor of the school during the season, he has to take care for Dexter, who's future is less bright and who's eventually thinking about jobbing as drug courier - bringing their friendship to a test. Meanwhile the rich business woman Brice supports T.J. in his writing ambitions and invites him to live at her home. But in her absence he falls in love with the stunningly beautiful blond radio moderator Robin.
Experienced Green Beret sergeant Johnny Gallagher is escorting a prisoner, Airborne Ranger Thomas Boyette, back to the US, but Boyette escapes and Gallagher must risk life and limb to catch him.