A Possible Leak / Back In The Lab - S1.E7

Part 1: The team manages to get out alive from the explosion, but their key suspect dies. Pi Cheol Woong ends up in the hospital after the traumatic incident, leaving the team without any good leads. While getting an earful about the operation going south from Chief Seo, Gwan Su states that he suspects someone is leaking information from inside the NIS. Part 2: Gwan Su and Mu Hyeok get a new lead on Michael’s whereabouts and call the rest of the team to a hotel. Chan Mi does not respond to the call but ends up running into Mi Soon at the hotel. However, Ok Cheol gets a text message from Michael, letting him know that the NIS is on to him. Mi Soon goes back into Il Kwang’s lab to get Michael’s contact information.