When Callie Pierce turns 18 she has three very simple goals: avoid her stepfather, escape to an Ivy League university of her dreams, and party with her friends. But on a night like any other, when the moon is full over the ocean, her life changes in a way that no one could have ever seen coming. On the sandy beaches of San Diego she meets Orion, a man from whom she cannot stay away and to whom her return becomes as inevitable as the tide kissing the shore. If that isn't enough, a kiss which changes everything plunges Callie head first into a world of mythic responsibility, epic danger, and...

Four months have passed since the night Callie Pierce fulfilled her destiny as the Vessel and her world is shifting faster than ever before. The Occulta Mirum is in disarray, still reeling from the demise of its longest reigning monarch and its people have a decision to make, on which more lies balanced than they know. As Callie and Orion rise together to new responsibility, dealing with the consequences of what has passed, Callie finds herself changed and looking into the shadow of the deep for answers. The life she's been thrown into isn't what she expected, and as the responsibility of her...