Confidential Assignment
In one scene, actor Yoo Hae-jin uses the word "Geukbisusa" to describe the covert operation. He has appeared in a film titled "Geukbisusa" or 'The Classified File (2015)' which was also about a covert investigation.,Confidential Assignment
Music by Hwang Sang Jun,Even though the story might seem predictable and recurrent, the movie was well delivered. The movie was enjoyable; the characters acting, cinematography, and action scenes were all great. The story has a great moral. Worth watching,