An unsolved murder case of a young girl repeats itself twenty years later and awakens the memories of a peaceful town. Shan Feng, who was once a witness to the murder case, now returns to the town as a policeman, unable to forget the painful memories. He seeks out the truth and discovers all the people related to the case have undergone drastic changes.

• Song Yang
• You Jingru
• Yuan Wenkang
• Jiao Gang
• Li Jiuxiao
• Song Ningfeng
• Qin Yu
• He Peng