Chief Science Officer Liana Pearson now must face the unthinkable--does she have the courage and resilience to do what has to be done to survive The Absolution's deadly descent to crush depth? A horribly transformed Kate Barron and the rest of the sub's mutated crew seem to lurk around every corner while the Wilder brothers duel one final time for command of The Absolution's fate. The deep dark down awaits you in the thrilling, action-packed series conclusion--Breathe Deep!