Mermaid Annika is from the sea, and it is there she must return to after her quest to find the stars. New to this world, her purity and beauty are nothing less than breathtaking, as is her graceful athleticism, which her five new friends discovered when they retrieved the Fire Star.

Now, through space and time, traveler Sawyer King has brought the guardians to the island of Capri, where the Water Star is hidden. And as he watches Annika in her element, he finds himself drawn to her joyful spirit. But Sawyer knows that if he allows her into his heart, no compass could ever guide him back to solid ground…

And in the darkness, their enemy broods. She lost one star to the guardians, but there is still time for blood to be spilled—the mermaid’s in the water and the traveler’s on the land. For she has forged a dangerous new weapon. Something deadly and unpredictable. Something human.


美人魚艾妮卡來自海洋，在尋星後，她必須重返海中。在收回火星的旅途中，艾妮卡的五位新朋友認為，初問世事的艾妮卡，擁有讓人著迷不已的純潔心靈、美麗臉孔以及優雅姿態。

現在，時空旅人索而國王，帶著其他五名護衛來到水星的藏身地卡普里島。索而深受艾妮卡在水中的喜悅與怡然自得所吸引，但他知道，一但讓艾妮卡走進自己的心扉，自己將方寸大亂……

然而，此時敵人卻在黑暗中悄悄地茁壯。縱然護衛從敵人手中拿到一顆星，但敵人仍有時間能血染水中的美人魚及陸上的旅人。因為敵人製造了一種危險致命的新武器，不僅難以預測且具有人性。