Iris is a South Korean espionage television drama series broadcast by KBS in 2009. With a budget in excess of 20 billion won (17 million USD), it, along with its spin-off Athena: Goddess of War, share the record for the most expensive Korean dramas ever produced. Premiering in October 2009, the series was a critical and commercial success, with an average viewership of over 30% in addition to ranking as the top program consistently every week after its debut. The series also took home many of the highest honors at the 2009 KBS Drama Acting Awards, including Lee Byung-hun winning the top recognition, the Daesang Award. The plot revolves around two friends from the 707th Special Mission Battalion recruited into a secret South Korean black ops agency known as the National Security Service. Of the pair, recruit Kim Hyun-jun begins to uncover evidence that his foggy past may not be so irrelevant to his joining of the secret organization after all. As the two friends find their loyalties tested and forge new, unlikely alliances, the journey takes them from their home country to Hungary, Japan, and China where they find themselves at the center of an international conspiracy.