Four friends break into an abandoned insane asylum in search of a death certificate which will grant one of them a large inheritance. However, finding it soon becomes the least of their worries in a place haunted by dark memories.

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.

At the end of WWII, Jimmy Picard, a Native American Blackfoot who fought in France, suffers from unexplainable symptoms and is admitted to a military hospital. When doctors suspect schizophrenia, an eccentric psychoanalyst takes up the case and starts a conversation with the veteran.