Lynn, a third mate, transmigrates into a novel, becoming the exiled villainess, Aurora Sloane. With The Leviathan System and her maritime skills, she uses a Gatling gun and modern warship to fend off Pirates and court soldiers. She wins over people, moves her Wargod husband Shane Donovan, and exposes The Crown Prince's conspiracy. She defeats the royal navy, establishes a base, and rewrites her tragic fate.