It's 30 December 1999. Utsumi and Bud have returned to Japan to challenge the SV2 again, and sell their team's services in the format of the Griffin. At the SV2, the AV-Zero is going though its paces. It has been improved and is now much faster. Kanuka has returned to Japan to visit her grandmother and has dropped by to visit her former colleagues at the SV2. Detective Matsui discovers that several top Labor specialists are in town and informs Captain Goto of his findings. Meanwhile, Momoko Sakurayama receives a tip-off that several arms dealers are also in Tokyo. She informs Kumagami, who in turn tells Captain Goto. Something big is going to happen. That night the Griffin Labor returns. Division 2 was previously called out to a fire, so Division 1 is called in to deal with the Labor. Bud soon figures out the Zero's weakness: it is programmed to stop near buildings to avoid damage. He takes full advantage of this and defeats both Patlabors.

The remains of Division 1's Labors return to the hanger. Noa is somewhat scared of the prospect of having to fight the Griffin again, but Asuma assures her that she can defeat it. Meanwhile Schaft's section chief is livid at Utsumi's actions. Goto asks Kumagami about her relationship with Utsumi. She tells him it is none of his business. Bud leaves the ship where the Griffin is being hidden to visit the SV2.

The Griffin is ready to fight Division 2. Momoko Sakurayama races to the scene, but a traffic jam is holding them up. She decides she can wait no longer, and runs to the scene without her camera crew. Meanwhile, the Ingrams face off the Griffin across a bridge. In the ensuing battle, the Griffin escapes off the bridge into the water and Ota shoots a hole into the bridge with the shotgun in an attempt to hit it. But the Griffin pulls Ota's Labor down through the hole. Ota manages to escape, but his Labor is at the bottom of the bay.

Noa isn't moving, so Hiromi moves his carrier back, out of reach of the Griffin. Meanwhile Shinshi rams the Griffin with his carrier to enable Hiromi and Noa to escape. Noa's Labor is now totally out of power. She needs to recharge her batteries fast. Unfortunately, the Griffin has gotten past Shinshi, who tries to block it, but feels the Griffin's wrath for his trouble. The Griffin runs after the escaping carrier, but Kanuka arrives in the nick of time and starts fighting it. Sakaki has also arrived in machine 3's carrier with a new set of batteries for Noa. Kanuka needs to hold off the Griffin until Noa can change her batteries.

Noa wakes up to discover she has a toothache. But some members of the team think it's more than that, especially when Asuma has been teasing her about her wisdom teeth all morning. The team force Asuma to apologize, but that just makes things worse, especially when there was no apparent reason to apologize. Shinshi gives Noa painkillers to ease the pain, but unfortunately she takes them all at once causing her to sleep most of the morning. Later in the afternoon, Division 2 are suddenly called out to an incident where a stolen Labor is running a muck in a forest. Only problem is that every time Noa takes a step in her Ingram, her tooth hurts like mad.

The children's TV program Together With Mother has finally been axed after 20 years, and is about to begin its final broadcast. Unfortunately, one of the cast members, Kumagoro, a man in a bear suit, has decided to take the rest of cast hostage by grabbing them with a small a Labor. He demands ¥300,000,000 and a helicopter or he'll blow up the cast. To prove his claims, he sets off a car bomb in the parking lot. Division 2 are called in, but the producers of the show seem to want to prolong the situation in order to get higher ratings. Kumagami and Noa enter the studio disguised as waitresses in order to free the hostages, but the plan does not go well. The riot police are called in after Division 2's failure, but Goto thinks they'll just inflame the situation more. However, Goto does have a plan which is so bizarre it might just work.

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Ota has a strange dream where he kills his team mates who have all become criminals. He wakes up to find himself in Shinshi's house where Hiromi, Asuma, Shinshi, and Shige are dead from gun wounds, and Ota is holding a gun in his hand. He runs screaming from the house, but he soon can't remember who he is. Did he kill all those people? He looks in his wallet and because he has Shinshi's wallet, he believes he's Shinshi. Meanwhile the SV2 search for Ota. Goto believes he has amnesia. They must find him before he hurts someone else or himself.

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Division 2 are on vacation. Noa is doing some cleaning at home, but can't find a personal item she had since she was a child. She goes to work but can't find it there either. She meets Kumagami there who is writing up a proposal to create two extra Divisions. Ota is also there, dismantling and cleaning his Labor's gun. Kumagami submits her plan to Captain Goto and Shinobu. He tells her that they are already planning something like this and ask if she would be interested in being captain for the third division. She says that she would have to think it over, which surprises both Goto and Shinobu. The next day Kumagami is taking a trip to see some of the new cadets who will eventually form the third division, and asks everyone to come along. Asuma says he and Noa can't and tells them they have something important to do. Despite her protests, Noa goes along with Asuma.