In 1990, crimes often happened in Shuangyuhe, a small city in the Northeast. And all these cases had something to do with Shang Quanliang (Fan Wei), who worked in the security department of the thermos factory. Everyone wanted the gold. When the legend about gold in Laoyao Mountain became known, forces of evil came here to look for the gold one after another and the conflicts escalated. What could people do when motivated by greed? The situation was so mysterious…