Cate Walford's relationship with vicious, business tycoon husband, Phillip, is on the ropes and their tempestuous home life is trapped in a tangled web of lies and manipulation. Through a shocking twist of fate, this dark and murky world collides with the seemingly disparate and disconnected, warm and loving world of a widow and her footy star son and musical daughter.

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 from trespassers. But on the night of a full moon, the mischievous mermaid girls neglect their duties. Sixteen-year-old land-dweller Zac enters the Moon Pool and forms a special connection with Mako. Zac is given a fish-like tail and amazing powers. The mermaid pod is forced to leave Mako, leaving behind the three mermaid girls, cast out of the pod. They know there's only one way they will be allowed to rejoin the pod: They must get legs, venture onto land and take back Zac's powers – or risk being outcasts forever.

Cleaver Greene is not about politics or morality or even justice. Cleaver Greene is about the law. And it is his passion for the law that drives him to use his formidable intelligence to defend people whom society and the justice system might otherwise convict without a fair trial. He uses his encyclopaedic knowledge of human nature and the Byzantine intricacies of our legal codes to guarantee that his clients get what is theirs by the law; the right to a diligent defence.