The movie《YADANG: THE SNITCH》 tells the story of “YADANG: THE SNITCH”, an insider who moves between the Korean drug industry and the investigation agency and shakes up the drug world. The movie narrative is centered around him.

The play stars Kang Ha Neul, Yoo Hae Jin, and Park Hae Joon. The three collaborate and is directed by Hwang Byung Kook.

Kang Ha Neul plays the role of Lee Kang Soo who secretly provides inside information about the drug world to the national investigation agency.Yoo Hae-jin will play the role of Koo Kwan-hee, an ambitious prosecutor who comes from a lower class background.Park Gae-joon plays Oh Sang-jae, the persistent leader of the drug investigation team. He caught a criminal once and will form a triangle with Yoo Hae-jin to further increase the tension of the plot.