Five strangers are killed when a mysterious object falls from the sky, then resurrected hours later and tasked with preventing the impending Rapture.
Rose instructs the angels to stop the Four Horsemen of the Apocalypse, and the Man tempts Vera with answers about her missing son.
As the angels race the Man to uncover the identity of the Horseman of War, a government secret comes to light, and Raul is lured into a trap.
Rose tries to help Peter, who's being tormented by the Man, while she and the rest of the angels track the Horseman of War to an energy summit.
Erin's estranged ex-husband ruins her plans for her daughter's birthday. Raul takes Joshua to a shaman for help, and a new Messenger emerges.
While the Messengers hunt for the Horseman of Pestilence and a hacker who's poised to break the Second Seal, Erin learns her power comes at a cost.
The Abaddon hacker plans to unleash a lethal computer virus in a hospital. Alan joins the Messengers, and Joshua's past catches up with him.
The Messengers suffer a setback. While Joshua copes with his father's legacy, Peter's search for his mother leads to an abandoned asylum.
The Man reveals that one Messenger is in danger and another is a traitor. Meanwhile, Amy may hold an unexpected power and Eliza makes a prediction.
Believing that one of two brothers may be the Horseman of Famine, the team heads to California, but personal matters prove distracting along the way.
In California, the Messengers try to figure out which of the Plowman brothers is the Horseman. Meanwhile, Vera hunts for Alan and discovers a secret.
As the angels hunt for a seventh Messenger, Koa and Raul are captured, and the Devil attempts to learn how much Eliza knows about the Rapture.
The Four Horsemen's plan to break the Fifth Seal leads to a showdown with all seven Messengers, who stand together to save humanity.