VigilanceNikki Youngblood may have walked away from her shadowy godfather but the mission to safeguard her has barely begun. Everything now depends on the fragile alliance of her two half-angel, half-human guardians, both struggling with intense feelings for the girl who has been assigned to their care. Mace, steadfast and deeply in love, wants to protect Nikki at all costs, while Raven's loyalty to Nikki finds him advocating for her independence and battling his own darker inclinations. As their relationships deepen, Nikki finds it harder and harder to choose between the two heavenly beings she may never have.Dangers intensify, and tensions between Mace and Raven flare as the purpose of their mission becomes clearer. Can their defenses hold up to the master manipulator, Damon Vessler, and the powerful secret he holds regarding Nikki's heritage? Can anyone protect Nikki from her true purpose and destiny?