"Iris 2" Jang Hyuk is missing after receiving a deadly wound to his head.

On the episode of the KBS drama "IRIS 2" that aired on February 27, featured a story that develops from the relocation of Baek San (Kim Young Chul). During the process of Baek San's relocation, IRIS appears to kidnap Baek San.

However, Choi Min (Oh Yeon Soo) realizes what IRIS has in plan. Choi Min creates a plan of her own with the deputy director, Yoo Gun (Jang Hyuk) to lead IRIS to a different location. Regardless, an inside spy within NSS reveals Baek San's real location to Ray (David McInnis).

They met once again. During their gun fight, Ray and Yoo Gun risked their lives. Yoo Gun kept Park Jun Han (Seon Dong Il) in mind, who lost his life to Ray. Yoo Gun wanted to avenge Seon Dong Il's tragic death by aiming his gun at Ray's head.

However, a sniper that was hiding got the first shot at Yoo Gun. Yoo Gun falls to the ground from the deadly wound. Soo Yeon (Lee Da Hae) sees the whole things and runs to where Yoo Gun fell but his body is nowhere to be seen. IRIS had been there.

On this episode, Choi Min discovers that IRIS is trying to reach Baek San in order to find out the location of the atomic weapon.