Xiao Jining, who went far away on a marriage alliance to Northern Di, is deeply trapped in the political vortex of the grassland royal court. The Khan suddenly passes away, various tribes eye covetously, inside there are old ministers making things difficult and calculating, and outside there are tribal turmoils rising everywhere. She takes her young son step by step, relying on dark guards and loyal subordinates, amidst the grassland of the snowy Langqiang, shattering one power-grabbing conspiracy after another. The former noble lady of Dajing, shedding her tenderness, in the wind-and-frost-filled Northern Di royal court, steps out on a path belonging to a woman ascending the throne. Family and country, love and hatred entangle, political strategy and warmth coexist, and see how she takes charge of the grassland, becoming an emperor of a generation.