Hyeong Ju and Ga Hyeon find out that Sun Ho is the real culprit who is responsible for the deaths of resetters. In fact, they also realize that Ga Hyeon's house is wiretapped by Sun Ho. Hyeong Ju understands that this is an opportunity to reveal the true identity of Sun Ho, and he sets up a trap to lure him.

Luring Sun Ho into Hyeong Ju's trap was easy, and the police arrest him right after he fires a gun at Hyeong Ju. It seemed as if everything was over, but Hyeong Ju discovers that Hwang No Sub has been lying and hiding his identity all this time. When he and Ga Hyeon visit him, people there greet them as if they expected the visit.

It turns out Professor Hwang was using Lee Shin for his pleasure through the reset. After finding out about his scheme, Lee Shin struggles to decide whether to help Ga Hyeon and Hyeong Ju or to once again go through the reset to avoid her daughter's death. Meanwhile, Ga Hyeon and Hyeong Ju realize Professor Hwang was behind the reset and attempt to stop him.