Succubus versus the devil's son: who will win the fight for the soul mates' souls? Kristen and Ken, high school sweethearts, reconnect over a dead body who turns out to be Ken's boss. Still, their feelings rise stronger than before. Damian O'Brien's personal mission is protecting soul mates. Hell likes nothing better than stealing the souls of humans who are soul mates to be severed for all time. Damian lives to thwart his father, the leader of Hell. Fighting a powerful Succubus and her high-level demons forces Damian to work with his father and angels. Can he save the soul mates without losing the one thing that keeps him safe from his father's clutches—-Damian's human soul?