Born into a prestigious Martial Arts Clan, Rosalind Sterling has been an outcast her whole life, bullied for her sickly constitution and her mother's shameful past in a brothel. One night, the descent of the Star of War grants her a complete rebirth, allowing her to master the long-lost Sterling Secret Manual. But in a twist of fate, everyone believes her prodigious sister, Claire Sterling, is the one who received the celestial gift.