Prosecutor Du Qiu is upright, but inexplicably falsely accused of robbery and rape. In order to clear his grievances, Du Qiu avoided the police's pursuit while insisting on pursuing the truth... He ventured to save the rancher's daughter Mayumi in the mountains of Hokkaido, and developed love with her. With the help of Mayumi and his father, Du Qiu cleared away the mist and broke through all kinds of obstacles. He found clues in a mental hospital. In order to find out the truth, Du Qiu also pretended to be sick and was admitted to the hospital... Going to heaven and earth, fighting in a galloping horse... Du Qiu finally revealed the truth to the world! But, just by finding the truth, can justice be fulfilled?