Good Casting

A Possible Leak & Back In The Lab (1x7)

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The team manages to get out alive from the explosion, but Gwan Su suspects someone is leaking information from inside the NIS. Meanwhile, 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 from Ok Cheol's phone.