Synopsis：Abandoned by their parents, the Blackwood sisters, Catherine and Grace, grew up with only each other to depend on and eventually forged their own successful lives. At Grace’s lavish engagement party, Catherine arrives straight from an undercover mission, still dressed as a janitor, and becomes the butt of cruel jokes from Grace’s in-laws and old classmates. But when Grace is publicly betrayed by her fiancé, Catherine can no longer stay in the shadows—she reveals her true identity as the legendary Warlord Queen, making everyone who looked down on them pay the price.