Her heart was anchored in an unrequited love, while the one who truly saw her from the beginning waited in the wings. A tale of a fateful first encounter that changes everything—and a second chance at a love that was always meant to be.

Julie Lane, determined to take back her mother's company, sheds her identity as a mysterious assassin and slips into the guise of a fragile, icy little damsel. As promised, she dives into a flash marriage with the notorious No.1 rich playboy Colin Jenkins, kicking off her mission to tame her husband. At their first meeting, Colin is instantly captivated by Julie's delicate, untouchable beauty. But as they grow closer, he finds himself falling hopelessly for the dangerous, powerful woman hidden beneath the facade.

During the turbulent mid-Tang dynasty after the An-Shi Rebellion, Baiyu Jing was established to protect the imperial city from warlord threats. Externally, it shelters homeless women, while internally, it trains female assassins known as "Yinniang." These women navigate life amidst danger, facing trials of love, betrayal, and their fates. Ultimately, they find themselves caught in a growing conspiracy, leading them to rise and fight in defense of the world and its people.