An ace crisis negotiator attempts to figure out the real motivation of a man who has kidnapped two people and crack his calm demeanour.

Son Ye-jinas Ha Chae-yoon
Hyun Binas Min Tae-gu
Kim Sang-hoas Ahn Hyeok-soo
Jang Young-namas Section Chief Han
Jang Kwangas Hwang Soo-suk
Jo Young-jinas Chairman Koo
Kim Jong-gooas CEO Yoon
Kim Min-sangas Deputy Department Head Park
Han Gi-joongas Lieutenant General Son
Yoo Yeon-sooas Chief Moon of National Police Agency
Lee Tae-yoon