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.

Rowan makes a shocking discovery, but has to deal with it alone. A tragic event brings her closer to the Mayfairs - and Lasher. Sip falls deeper down the rabbit hole of the key necklace.

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 Mayfair is determined to understand what Lasher has become. Sip is hell-bent on capturing him.

Rowan is determined to save Lasher. Cortland becomes an unlikely adversary.