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 ...