M-21 is confused about why DA-5 think he is on a mission and wonders what Dr. Crombel did for them to investigate him. M-21 questions if he should try to escape, but then decides to stay and gain information about his comrades with DA-5's help. While he is lost in his thoughts, Takeo advises him to drink the water while he still can. M-21 is suspicious, but Takeo claims he didn't do anything to the water and asks M-21 if he wants him to drink it first and prove it. M-21 thinks about the rumours that stated Takeo was the coldest emotionally of all DA-5 agents. M-21 says that Union won't keep quiet if they hear about this, but Takeo replies that they are just following orders.

Elsewhere at a café, Tao and Ik-Han are discussing computer stuff when Ik-Han asks Tao if he can call him big bro. (Note: In the Korean version, Ik-Han addresses Tao as Hyung which is an honorific used to address an older man, near your age if you're a guy). Tao is surprised at first but then allows it. Tao asks about who he was talking to the other time and Ik-Han tells him about Shinwoo hoping to introduce them to each other. Suddenly Tao notices something and gets up telling Ik-Han that he has to leave. Shark appears and asks Tao if he is also becoming like Takeo, meeting up with kids. Shark then tells Tao that he has been killing everyone that Takeo has helped or met on their missions, because he finds Takeo annoying. He assures Tao that he won't kill Ik-Han as he has no enmity with him, to which Tao states that he doesn't care about what happens to others.

At Frankenstein's house, Rai and Frankenstein are having tea. Frankenstein asks Raizel about what he thinks of M-21's decision. He says that there has to be some reason behind M-21 actions, to which Rai agrees. Rai asks him if he is worried but Frankenstein claims that he is more concerned about his Master as he had taken an interest in M-21. He continues speaking until Rai tells him that he understands his worries.

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