Secret of the Broken King (The Poseidon Trials Book 1)

The God of the Ocean married me, exiled me, and now he’s the only thing stopping me from saving my sister. Poseidon is fierce, unforgiving, and terrifyingly powerful. I’m just a broken sea nymph whose magic never surfaced. But the only way to save my sister lies in his underwater palace, and I’ve got nothing else to lose.