An angel becomes a guardian for a human haunted by a dark curse. ***** Azrael, a Seraph, is one of the last of her kind, haunted by a centuries-old curse that turns her people into monstrous Revenants. When she meets Adira, a human targeted by the same evil forces, Azrael's own darkness compels her to protect the young woman from the monsters - and from herself. As Kespen teeters on the brink of chaos, Jupyter agents Lisa Kirova and her vampire partner Roman race against time to unravel the sinister plot of the underground criminal mastermind, The Baron. With the city's fate hanging in the balance, Azrael, Adira, Lisa, and Roman must confront their own demons and forge an unlikely alliance to prevent an irreversible catastrophe.