Tang Liqiu met Gao Yu in a mahjong parlor, and the two fell in love. Later, Gao Yu discovered that Tang Liqiu was kept as a mistress. The two grew to hate each other. They wanted to forget each other, but they couldn't. While traveling together in Mount Wutai, the two renewed their old relationship. Tang Liqiu later learned that Gao Yu was the director of the Procuratorate. One of them was a notorious mistress and the other was a righteous prosecutor. Can their love last forever?