Four young friends, Judd, Vicki, Lionel, and Ryan, band together to find faith and fight the evil forces that threaten their lives when they are left behind on Earth after God's Rapture.
The Tribulation Force, having survived on Earth during the nearly seven-year reign of the Antichrist, begin looking to the heavens for the predicted reappearance of Christ, while the Antichrist readies his armies for what he believes will be his final triumph.
When the Antichrist takes over the world, Rayford, Buck, Bruce, and Chloe form the Tribulation Force to try and stop the war, famine, plagues, and disasters that are killing millions of people.