Corinne LaMer defeated the wicked jumbie Severine months ago, but things haven't exactly gone back to normal in her Caribbean island home. Everyone knows Corinne is half-jumbie, and many of her neighbors treat her with mistrust. When local children begin to go missing, snatched from the beach and vanishing into wells, suspicious eyes turn to Corinne. To rescue the missing children and clear her own name, Corinne goes deep into the ocean to find Mama...

Sixteen years after Hari and Pearl defeated the tyrant Ottmar, their children Xantee and Lo face an even more dangerous foe which they must find and destroy if they are to save their father and the world they know.