Ensconced in a new safe house, the Tribulation Force suffers tragic loss at the dawn of the second half of the seven-year Tribulation, the Great Tribulation.

Rayford and a suspicious colleague jet west on a mission of mercy with shocking results.

Terror comes to the believers in Greece as they are among the first to face a GC loyalty mark application site and its benignly named but hideous death contraption, the loyalty enforcement facilitator.

The Trib Force moles inside the palace in New Babylon face tragedy and danger, and they must flee, take the mark, or suffer the consequences.

Meanwhile, Carpathia plans his overt attack on the so-called Judah-ites, while the Trib Force gears up for its most ambitious countermeasures ever.