Part 1: Michael’s phone number leads back to an unexpected person and Ok Cheol uses his computer to reverse hack Ye Eun’s laptop. Now that Michael’s people know that Chan Mi and the team are from the NIS, Chan Mi starts to notice that she is being followed by mysterious men. Meanwhile, she must drive Seok Ho to an unofficial business trip. Part 2: Chan Mi and Seok Ho go to his father’s grave together and Chan Mi realizes that Chairman Yoon’s death must have something to do with Michael as well. Meanwhile, Ye Eun gets called to Woo Won’s house to cook for him and she gets fed up with his antics. Both Chan Mi and Ye Eun come face to face with the mysterious men who are tailing them.