THERE ARE MORE THAN SECRETS WAITING IN THE WATER.

Avi's life takes a surreal turn when a mysterious boy with captivating eyes claims to know her. Little does she know that her world, already shaken by her mother's unexplained disappearance, is about to unravel in ways she couldn't have imagined.

Avi discovers that the memories she holds dear aren't her own, but have been carefully manipulated by her own mother.

Her world shatters as she's thrust into a dangerous and hidden war between a magical kingdom and a relentless organization set on its destruction. Both sides accuse her mother of stealing a powerful artifact known as the Trident, and they'll stop at nothing to recover it. With adversaries closing in and uncertain allies by her side, Avi embarks on a treacherous journey to the enigmatic sunken city of Neopolis.

There, in the city beneath the waves, she uncovers the startling truth about her mother's actions, and it's far more sinister than she could ever have imagined.