Neurosurgeon Rowan Fielding has a problem - when she gets mad, she kills with her mind. Her search for answers sends her toward her secretive biological family. In New Orleans, Deirdre Mayfair is desperate to escape from her aunt's oppressive house.

At Deirdre's funeral, Rowan is plunged into the world of the infamous Mayfair family. Uncle Cortland and Aunt Carlotta present diverging views on Lasher. Rowan must choose who to trust and face the dire consequences. Sip identifies Deirdre's killer.

Rowan inadvertently discovers her role in a prophecy that's held the Mayfair family for generations. Sip's investigation reaches its conclusion, uncovering secrets that could tarnish both Rowan's family and his role in the Talamasca.

Rowan desperately partners with Cortland to try to stop Lasher. Moira assists Sip in capturing him.

Rowan must find Lasher in order to right her wrongs. But even Sip doesn't know where Lasher is.