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.

In the troubled city of Edison, a young journalist, his jaded editor, and an honest investigator from the district attorney's office join forces to gather evidence against corrupt members of an elite police unit.

As the countdown to graduation begins, students at Osborne High are being stalked by a maniac intent on exposing their darkest secrets to the entire town, terrorizing victims while wearing a life-like mask of their own face. With a mysterious past of her own, Makani and her friends must discover the killer's identity before they become victims themselves.

Exes Lara and Ben compete in a Christmas contest to win money for the charity of their choosing. The city watches them battle and choose what is more important, victory or love.

In preparation for a shotgun wedding before the birth of Baby Guster, Shawn and Gus go rogue in an attempt to track down Selene’s estranged husband, as Lassiter grapples with the future of his career.

A widow finds out from her late husband's mistress that his death was not an accident. Both women work together to unmask the truth behind the man they both loved.

A man stalks his wife and child when they leave for an abused women's shelter.

After a woman jumps in front of a truck to save her daughter's life, she wakes up in the hospital in a seemingly alternate reality where everyone and everything in her life are different, including her own name.

A man kidnaps two girls in Oregon triggering the Amber Alert system throughout many surrounding states.

A renowned romance novelist becomes involved in a love triangle between her childhood crush and a reporter.