Den of Liars - Revelations, #3

Evil is growing stronger. When the Dark Souls are assigned to a top-level mission for the Order, Sabina must come face to face with Graham and the painful memories of her past. The apocalypse is heating up, everyone is keeping secrets, and some friends might turn out to be enemies in the end. The allies who stand on the side of humanity are doing their best to hold the world together but something sinister is working overtime to tear it all apart.
The time for the End Game is nearing and there's no telling if it can be stopped.