A cold, hard-nosed lawyer, Zhang, discovers that his past client, Tang, is involved in yet another case of sexual assault. Thirteen years ago, Zhang was a rookie and mentored by a senior lawyer, Tu. Young and ambitious as Zhang was, his outstanding performance successfully helped Tang exonerated from the charge. However, the brutal cross-examination on the victim inevitably became his nightmare. After so many years, tormented by guilt, Zhang finally has the opportunity to atone for his mistakes and avenge the girl he loved. Challenged by Tu and Tang, he decides to pursue justice at any cost.