national intelligence service black ops agent 'suhyeok' is tasked with assassinating 'nanayama,' the yakuza leader heading a drug trafficking organization in korea. to his surprise, the target is a captivating woman named 'anna,' who appears disconnected from any violence. sensing something amiss with his mission, suhyeok embarks on a path of vengeance against both the national intelligence service, which has betrayed him, and 'nanayama,' who massacred his comrades.