Genre : Action, mystery, thriller, romance
Main Casts : Kim Seung-woo, Lee Byung-heon, Jeong Jun-ho, Kim Tae-hee, Kim So-yeon, T.O.P
Total Episodes : 20 eps
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.
Baek-san, an executive of NSS who had been waiting for Hyun-jun orders a solo mission. Despite the tight protection of bodyguards, Hyun-jun succeeds his mission. But before escaping, Hyun-jun gets wounded by his targets’ head security bodyguards, and later he is shockingly betrayed by his most trusted friend, Sa-woo. Hyun-jun tries to escape with Seung-hee’s help, but he ends up losing Seung-hee. And his car also explodes; they are both misled into thinking that the other had died. Hyun-jun gets saved by an unidentifiable “Voice” and learns the secret identity of a group called, “Iris”.
1 year later, with the two Koreas about to be reunified, Hyun-jun makes his return. After spending a nightmarish life of being betrayed and losing everything, Hyun-jun returns to get revenge on those who threw him into the living hell. With the help of the President, Hyun-jun returns to his post in the NSS. Starting a fight against “Iris”, the secret society that tries to interfere with reunification, Hyun-jun now puts everything on the line for the battle of his life.
Filming sites include Hungary, Russia, Japan, China and the U.S.
The production cost for this drama is 20 million dollars, making it the most expensive Korean drama to date (10/2008).
Japanese distribution rights for the drama series “Iris” was sold to TBS for a record ¥ 400,000,000 / ? 5,300,000,000 ($4.3 million USD).
This drama is somewhat based on the film Shiri.