The three parasites from Hirokawa’s group decide to exterminate Reiko Tamura thinking that she might pose a threat to their kind in the future. However, Reiko easily defeats her first opponent as she splits her parasite into two and burrows the other half into the man’s body. She flees, laughing maniacally while Kusano chases her. At the same time, her parasite controls the male host before killing him then it delves into Hikawa’s body. Kusano returns to the site and fights Hikawa who is also being controlled by Reiko’s parasite. As soon as he kills his comrade, Tamura stealthily attacks and strikes him dead, which results in her victory against the three.
After the fight, Tamura goes back to her apartment, but her baby is already gone. A note is left by Shiro Kuramori, instructing her to meet him at Hikari Park 1 at 5 p.m tomorrow. The following day, she intrudes into Shinichi’s house and scans his family pictures in the computer. She asks Shinchi on the phone where Hikari Park is, then tells him to meet her there at 5:20 p.m since she will give him something. Satomi Murano rings the doorbell at Izumi’s residence, only to see Tamura coming out of the house. She asks her where her classmate is, and Tamura only tells her not to worry about him since he will come back soon.
Shinichi gets on the bus to go to the designated venue and Murano accidentally sees him there so she follows him. Reiko Tamura finally comes face-to-face with Kuramori, who seeks revenge for the death of his family. As he motions to drop the baby to the ground, Reiko immediately pierces him and saves the baby, surprising not just the investigator but herself as well.
Kuramori slips and falls headlong to the ground, where the other investigators and police officers find him on the verge of his death. He manages to describe Tamura’s appearance to the detective, but fails to identify the name of the other “partner” he wrote in his report, which is presumably Shinichi.
The episode concludes with a brief scene of Shinichi meeting Tamura in the park, as the woman slowly faces him with her baby in her arms.