The police find the dead body of Yeon Soo at the park where she met with Ga Hyeon on the night before. When Ga Hyeon is summoned to be questioned as a testifier, she has no choice but to hide the details regarding the reset. Missing puzzles in between Ga Hyeon's testimony leave the detective in doubt, but in the end, an alibi that makes it impossible for Ga Hyeon to be the murderer gets confirmed. 

Ga Hyeon and Hyeong Ju eventually get in touch with Jung Tae and in doing so, they find out his relationship with Jeung Seok. However, as more they look into the mysterious deaths of the resetters, the clues somehow direct them toward Lee Shin. Ga Hyeon, in the end, decides to visit Lee Shin just to find out she has left the country.