First air date: Oct 29, 2021
Episode duration: 00h 54m
Rating: (7.8) based on 11 votes
Status: Ended Seasons: 1
Episodes: 2
Starring: Park Ha-seon, Jung Moon-sung, Jang Young-nam, Jun Suk-ho, Kim Jong-tae
Created by: Park Seok-ho
Genre: Mystery,
Action & Adventure
The story of a huge incident faced by Seo Soo-yeon from the support management team that supports and manages NIS field agents in China, Jang Cheon-woo, a hidden NIS black agent and Do Jin-sook, deputy director of overseas parts.