Charlotte watches her life crumble when her envious sister steals her betrothed and maneuvers Charlotte into a dreaded political union with Lord Arthur, the feared commander of the abyssal seas. Rumored to be a merciless warlord who drowns any mortal who displeases him, Arthur welcomes Charlotte to his underwater citadel with stern silence. But as Charlotte navigates the sunken court, she discovers Arthur's ferocious exterior conceals an ancient sea deity whose touch radiates profound tenderness.
As underwater rebels and surface conspirators plot to overthrow Arthur's sunken kingdom, Charlotte takes up arms beside her divine spouse. Harnessing her own latent oceanic bloodline, she exposes the diplomatic treachery engineered by her sister and former fiancé. Charlotte must choose between her quiet mortal heritage and the breathtaking celestial realm she now calls home.
