Riku Isshin is accused of losing confidential documents in Japan and is transferred to the Inner Mongolia Autonomous Region. His father, Koji Matsumoto, asks the company for his resignation as head of the Shanghai office in order to clear his son's false accusation, but his request is not granted. Isshin is saved by his former lover, Tanqing. When she learned that her husband had wronged Isshin, she was prepared to divorce him and reveal the truth.
陸一心は日本で機密書類を失った責任を問われ、内モンゴル自治区へ左遷されます。実父・松本耕次は息子の冤（えん）罪を晴らすために、上海事務所長を辞めたいと会社に願い出ますが、願いは届きませんでした。一心を救ったのはかつての恋人・丹青でした。自分の夫が一心を陥れたことを知り、離婚を覚悟で真実を明らかにしたのです。
