After a daring escape from the angels, Penryn and Raffe are on the run. They're both desperate to find a doctor who can reverse the twisted changes inflicted by the angels on Raffe and Penryn's sister. As they set off in search of answers, a startling revelation about Raffe's past unleashes dark forces that threaten them all. When the angels release an apocalyptic nightmare onto humans, both sides are set on a path toward war. As unlikely alliances...

Seventeen-year-old Ellie, who has the reincarnated soul of an ancient reaper-slayer, falls in love with her immortal guardian angel, Will, while fighting monstrous creatures who devour humans and send their souls to Hell.

After regaining consciousness from a seemingly fatal accident, eighteen-year-old U.S. Army Ranger Gideon Blake discovers that he is War, one the legendary Four Horsemen of the Apocalypse, and together with Conquest, Famine, and Death, must save humanity from an ancient evil.