In a future world where civilization rebuilds after a devastating war with angels, soldier Alex Lannon learns he is the fabled Chosen One—destined to lead humanity and end the war against the angels once and for all. Alex must balance his love for the powerful Claire Riesen with his new responsibility, and trust in the Archangel Michael to help him navigate the politics, intrigue, and danger of this new world.

Alex rejects his new role as the Chosen One, but a sleeper threat in Vega forces him to protect the ones he loves. Michael and Gabriel have one last meeting as the war between angels and humans reignites. Riesen and David Whele tie up loose ends.

Alex tries to outrun his responsibilities as the Chosen One by leaving Vega, but an encounter with Gabriel's forces leave him and Michael fighting for their lives. When Riesen goes too far in the name of security, Claire makes a personal sacrifice for the people of Vega. Arika receives a deadly message from her homeland, Helena.

A powerful Vega senator takes the city's leaders and food supply hostage with one demand: announce the secret identity of the Chosen One to the public, or suffer the consequences. Michael is called to a family meeting of archangels... including Gabriel. Claire goes against the Vega Senate.

Alex begins training with Michael, but a vision causes him to go rogue on an Archangel Corps mission. Claire takes risks to protect Riesen, while his long-held secrets come back to haunt him. David makes moves to secure his power.

Alex enlists the help of Michael and Claire as he attempts to exorcise captive eight-balls of their angel possessors, but finds it's not so easy. David closes in on William’s underground acolytes. Riesen overturns David’s plans to usurp power with a new alliance.