Dr. Adrian Helmsley, part of a worldwide geophysical team investigating the effect on the earth of radiation from unprecedented solar storms, learns that the earth's core is heating up. He warns U.S. President Thomas Wilson that the crust of the earth is becoming unstable and that without proper preparations for saving a fraction of the world's population, the entire race is doomed. Meanwhile, writer Jackson Curtis stumbles on the same information. While the world's leaders race to build "arks" to escape the impending cataclysm, Curtis struggles to find a way to save his family. Meanwhile, volcanic eruptions and earthquakes of unprecedented strength wreak havoc around the world.

A fugitive stumbles onto a movie set just when they need a new stunt man, takes the job as a way to hide out and falls for the leading lady while facing off with his manipulative director.

In 1938, an art collector appeals to eminent archaeologist Dr. Indiana Jones to embark on a search for the Holy Grail. Indy learns that a medieval historian has vanished while searching for it, and the missing man is his own father, Dr. Henry Jones Sr.. He sets out to rescue his father by following clues in the old man's notebook, which his father had mailed to him before he went missing. Indy arrives in Venice, where he enlists the help of a beautiful academic, Dr. Elsa Schneider, along with Marcus Brody and Sallah. Together they must stop the Nazis from recovering the power of eternal life and taking over the world!

A web of intrigue and conspiracy lies beneath the euphoria as the U.S. is about to put a man on the moon for the first time in over thirty years