Despite being labeled a monster, Rudia Flang is revered as a sacred descendant of the sea by one particular admiral. Her mistreatment throughout her life makes her apprehensive about marrying Alexander Cilia, a renowned war hero and the youngest admiral ever known, fearing his violent reputation as a sailor. However, Rudia finds unexpected kindness from the inhabitants of Sercilian Island during their ocean voyage, who recognize the beauty of the glistening scales on her body, contrary to the monstrous connotation ascribed to Rudia.
