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.
![Syndrome [E]](https://image.tmdb.org/t/p/w300/d1KLA95GTR0WbG9dXe4JF1LRy3Z.jpg)
