Chen Qing, 25, the cold-faced new force in the underworld known as “Sister Qing.” Beneath the surface, a fire burns within her: revenge for her family.
Yan Qing, 23, a young man who was once imprisoned. After Chen Qing rescued him, he became her most loyal subordinate and gradually fell in love with her.
Jiang Che, 26, a seemingly carefree rich second-generation heir who is secretly investigating an old case connected to his family.
Lu Sheng, 30, the mysterious head of the Lu family. He commands an immense, hidden network of power overseas and harbors a twisted obsession with Chen Qing.