Parthenope, born in the sea near Naples in 1950, is beautiful, enigmatic, and intelligent. She is shamelessly courted by many. However, beauty comes at a cost.

Real-life mermaids, Sirena, Nixie and Lyla are part of a mermaid pod, which lives in the waters of Mako Island. As young members of the pod, it is their job to protect the Moon Pool and guard it ...