Hyunjun and Sawoo have been friends since their days in the South Korean special forces, but they are also fierce rivals. Despite this, they are both recruited by the top-secret agency NSS to use their unique skills to protect the nation from various threats.
When they meet the beautiful and deadly Seunghee, a profiling specialist at NSS, both men quickly develop feelings for her. However, their desire for her attention and affection only fuels their rivalry further.
As tensions rise between Hyunjun and Sawoo, a terrorist group threatens to launch a nuclear attack on South Korea. The two friends are dispatched by NSS to neutralize the threat, but their mission quickly turns perilous when they discover that they are on opposing sides of the operation.
Forced to confront each other in a deadly battle, Hyunjun and Sawoo must decide whether their friendship will prevail, or if their rivalry will lead to their downfall. In the midst of this harrowing situation, Seunghee reveals a powerful secret that could alter the course of the mission and their lives forever.
Iris: The Movie is a thrilling action-packed adventure that tests the limits of loyalty, friendship, and love amidst the chaos of war and terror.