National Security System (NSS) Top 707 agents Hyun-jun and Sa-woo are blood brothers who swore to trust each other and unchanging friendship for life. They meet agent Seung-hee there and both fall in love with her. But Hyun-jun and Seung-hee become close and Sa-woo fights to hide his feelings for Seung-hee. One day, they are immediately sent on a mission to Hungary. When they successfully finish off their job with immaculate teamwork and are celebrating it, a message arrives to Hyun-jun asking him to meet in secret.

Name : Iris / 아이리스
Genre : Action / Melodrama / Romance
Year : 2009
Episodes : 20