The sudden, unexplained disappearance of millions of people across the globe triggers a chaotic struggle for survival and faith in the wake of the biblical Rapture. Rayford Steele, an airline pilot, and Buck Williams, a journalist, navigate a world descending into political and spiritual turmoil as the Antichrist rises to power. They must reconcile their past lives with the harsh reality of the Tribulation, forming a resistance group known as the Tribulation Force to protect those who have come to faith. The narrative framework utilizes a third-person perspective to track multiple characters across global locations, emphasizing the logical progression of biblical prophecy within a contemporary setting.

Readers frequently highlight the series for its accessible prose and its ability to translate complex theological concepts into a fast-paced narrative format. Discussion often centers on the effectiveness of the authors' world-building, particularly regarding how they adapt ancient prophecy to fit a modern, technologically advanced society. Critics often note the clear distinction between the protagonists' moral clarity and the antagonists' calculated deception, which serves as the primary engine for the series' tension. Many readers appreciate the focus on character transformation, though some debate the balance between didactic religious messaging and the requirements of a suspense-driven plot. The series remains a significant touchstone in the genre for its influence on contemporary apocalyptic fiction.