Ninth Princess Chu Yue has endured restless nights since a childhood accident, finding comfort only in the bond she shares with her devoted younger brother. Her quiet life takes an unexpected turn when she is suddenly wed to the stoic and honorable General Xue Yao.

While Yao seeks the truth behind his older brother's mysterious death, Yue joins him on his quest, offering both insight and quiet strength. As they face secrets, danger, and growing responsibilities, their journey draws them closer. What begins as an arranged union slowly blossoms into a tender and heartfelt romance — one built on trust, resilience, and love.