Set 3 years after the first season, members of the National Security Service (NSS) team, including Jung Yoo Gun, Ji Soo Yeon and other agents attempt to pull the curtain on mysterious group IRIS. Agent Yoo Gun is the leader of the NSS TF-A team. While he goes up against Baek San, Yoo Gun becomes involved in a case which changes his fate forever.
as Jung Yoo-gun
as Yoo Joong-won
as Kim Yeon-hwa
as Ji Soo-yeon
as Baek San
as
as Choi Min
as
as IRIS Agent, Clerk
2011
2019
2013
2019
1972
1999
2020
2012
2015
2010
1998
1999
2009
2018
1994
