Set in San Tiburon, the world's most dangerous maximum-security penitentiary and home to the world's most treacherous superpowered criminals, where tensions among the inmates and staff heighten, leading to anarchy that engulfs the prison and order is turned upside down.

Just days before Aurora’s wedding, a body is discovered, and she fears her father may be a suspect. She and Nick race to solve the cold case before they walk down the aisle.

The coastal town of Bristol Cove is known for its legend of once being home to mermaids. When the arrival of a mysterious girl proves this folklore all too true, the battle between man and sea takes a very vicious turn as these predatory beings return to reclaim their right to the ocean.