Morg and Ethos embark on another undersea adventure. They must stop the mating with land dweller madness in order to quell the need to leave the ocean. To do this they must find a magic wielding merman who they believe will have the answers. But first they must discover more about him, because they fear they will captured like the White Queen caught them. And so with their daughter Sherez, who is now old enough to swim the distance, they set off.
Chrythus is a magical merman who has much experience and knowledge. He knows the White Queen well, and knows who she truly is, and that she wants Morg and Ethos’s daughter to aid in her plans. This he must prevent for it clashes with his own need for her. His charge then is to protect the youngling of Morgella and Ethos, and put an end to the White Queen any way that he can.