Threat Level: Nightfall

Billie Keller and her pixie partner, Onyx, are running out of time.

Derik Cote isn't hiding anymore. He's building an army of genetically engineered magical monsters and unleashing them across Washington, DC. Every attack leaves more destruction, more casualties, and fewer chances for Billie and the FBI's Magical Threats Division to stay ahead.

Capturing one of Derik's operatives should have been a breakthrough.

Instead, they got nothing...except Eileen back in the lab building even deadlier t...