Lin Yuan, a special operations team member who once served in the field army, makes a mistake during a special operation, resulting in the death of all his teammates and hostages. Hiding away with the haunting memories, he accidentally gets involved in the criminal group from his past, thus stripping away the inner depths of the criminal group and their actual world layer by layer…

• Yutian Wang
• Norman Tsui Siu-Keung
• Zheng Yingxian