Two former cops start investigating the series of murders that tanked their careers when the killings begin again.

• Omnijoi Media 幸福蓝海影视文化
• Boneyard Entertainment China
• Liao Fan
• Gwei Lun-Mei
• Wang Xuebing
• Wang Jingchun
• Yu Ailei
• Ni Jingyang
• Wang Liang