Second Princess Liang Jingyun of Daliang traveled far to Beimo for a marriage alliance to search for her elder sister's whereabouts. Facing probing and obstruction from all sides, she resolved crises step by step with wisdom and courage, gradually uncovering the truth behind her elder sister's disappearance. During this process, she and Beimo Chieftain Tuoba Lie went from probing each other to walking side by side, jointly defeating the plot to destroy the tribe's peace and bringing about the alliance between the two tribes. In the end, the sisters were reunited, and Liang Jingyun chose to stay in this land, guarding the peace and future of the grassland together with Tuoba Lie.