After a harrowing, otherworldly confrontation on the shores of Exmouth, Massachusetts, Special Agent A.X.L. Pendergast is missing, presumed dead.

A SHOCKING RETURN

Sick with grief, Pendergast's ward, Constance, retreats to her chambers beneath the family mansion at 891 Riverside Drive--only to be taken captive by a shadowy figure from the past.

AN INTERNATIONAL MANHUNT

Proctor, Pendergast's longtime bodyguard, springs to action, chasing Constance's kidnapper through cities, across oceans, and into wastelands...

It begins as a manhunt for Grace Ozmian, the missing daughter of a wealthy tech billionaire. At first, the NYPD assumes Grace, beautiful, reckless, and a regular feature of the local tabloids, has simply sped off on another wild adventure. But the case becomes something altogether different when the young woman's body is discovered in an abandoned warehouse in Queens, the head nowhere to be found.

Lieutenant CDS Vincent D'Agosta quickly takes the lead. He knows his investigation will attract...