A majestic luxury liner sets sail on its maiden voyage, carrying nobles, merchants, clergy, and dreamers across storm-lashed seas. But as thunder roars and shadows stir beneath the waves, a wealthy investor is found murdered—his body marked with a rose and a serpent's blade. Trapped aboard the Victoria, every passenger becomes a suspect while whispers of a monstrous tail beneath the storm-dark waters spread fear through the decks. Is the true danger a killer among them—or something far older, rising from the deep?