A gripping story of myth and mystery about a legendary mermaid and her dark power. When the truth comes out, will it bring freedom or a terrible retribution? Vivien's never going to win the Mermaid Crown and she knows it. Does she care? Who wants to be rewarded just for being pretty anyway? So she joins Alice on her quest to find the mermaid of the lake instead. But as the legend starts to unravel, it reveals an ugly truth. And leads the girls into terrible, watery danger.