Tonton Streaming The Veil (2021) S1E4 - I'm Chasing the Same Guy

Ji Hyuk tries to find out who at the agency received the last emergency call from Dandong. To find out, he attempts to retrieve intel from the main server of the NIS. However, the server gets hacked by an unknown hacker, and the intel falls from his grasps. He chases down the hacker to regain fragments of his memory.