In her previous life, Jiang Zhaoxue watched her entire military family be slaughtered. Reborn, she disguises herself as a man, dons a silver mask, and commands troops to defend the northern frontier. Having already uncovered the conspiracy of Liang Xiao, a traitor within the army, she lays an inescapable trap on the training grounds and swiftly reclaims military authority to quell the unrest. Yet the danger never ends. Ying Shu, an intelligence organization from the Helai enemy state, infiltrates the border defenses, and the seemingly gentle Saintess of Destiny turns out to be the enemy kingdom's top spy. Shen Li, a physician who has become bound to a system, refuses to be reduced to a pawn and resolutely breaks free from its control. Standing shoulder to shoulder through wind and snow, the two women uncover secret letters, foil ambushes, and shatter conspiracies. They defend their homeland with their very lives, overturn the entire web of schemes, and write a legendary tale of two extraordinary women rising to power on the northern frontier!