Storyline: Dr. Adrian Helmsley, part of a worldwide geophysical team investigating the effect on the earth of radiation from unprecedented solar storms, learns that the earths 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 worlds population, the entire race is doomed. Meanwhile, writer Jackson Curtis stumbles on the same information. While the worlds leaders race to build #x22;arks#x22; 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.

Good-girl band geek Amy Juergens is smart, talented...and pregnant. Super-Christian cheerleader Grace wants to wait until she's married. As their secrets start to spread to the parents and to friends like bad-boy Ricky and wild-child Adrian, everyone's secrets and stories start to come to the surface.