Finding a photo taken by Xu before her disappearance, Lu Guang discovers that something happens to Xu, and Cheng mentally prepares himself for what may happen if he enters the photo. Meanwhile, Dong Li waits for Xu to join him for an interview. At the Time Photo Studio, Cheng enters the photo, where he has conversations with himself and his friends and learns some of what they truly think of him, both positive and negative. Backstory of Lu Guang's friendship with Cheng and Qiao is shown, and the confrontation with Xu and the attacker draws near. In the present, the same attacker enters the Time Photo Studio at night. In synchronicity, Cheng stops the attacker from killing Xu, and Lu Guang runs to the development room and locks the attacker inside. Cheng makes a deal with the attacker in the photo, and then returns to the present, appearing in the development room with the attacker.
