RahXephon is awaken by Mishima Reika, he helps out by battleling the D-1. Ayato woke up at the hospital forgetting what has happened. His mother pretends to not know what he talked about. When the D-1 was recovering in the labotory, Ayato met Haruka to know the truth, Haruka wanted to go back to the real world, but Mishima summoned RahXephon. RahXephon destroyed the D-1, discover that her mother has blue blood and went to the real world by passing the barrier. (Sypnosis came from www.animeinfo.com)

Suddenly Ayato is surprised to see his mother and two of her Dolems attack. Ayato leaves Tokyo Jupiter, and one of the Dolems kills Ayato's mother, Mishima. Ayato, kills the Dolems and leaves Tokyo Jupiter. Meanwhile, Haruka joins an organization called Terra.

Ayato and Haruka now arrives in Litya City, along with RahXephon, and now Ayato and RahXephon are being researched, while Ayato Meets Quon. Meanwhile Haruko is confronted by Elvy, the only other survivor from the Battle on Tokyo Jupiter. During the test Ayato is found our to be a Murian and is locked up for it by order of King Kunugi. And then Litya gets attacked by a Dolem. And Ayato must save Terra from the Dolem. After eliminating the Dolem, Ayato hands over the Rahxephon to Terra where it can be taken care of by Dr. Itsuki

Ayato is tested and found out to be normal, minus the symbol on his torso, Quon has one as well. While Ayato meets, Soyoko a co-worker and finds out he will be living with Haruko and her sister Megumi, and their uncle Rikudo. Meanwhile Itsuki finds out, that Quon is his sister. When Ayato is unpacking, he finds Buchi, which Quon packs for him. And after the dinner Rikudo gives Ayato a name plate.

14 Years ago a Dolem apppeared. Now the same dolem is back, and killing people in Australia. Kim Hotal get's an unauthorized sound bite due to the fact that Dolems use these sounds for their attack patterns! Now, Terra must wait for the Dolem to appear, and Ayato must be ready to attack. And when it does, Can Ayato win? Ayato comes out the winner!

Watari and Kunugi are coming back to Nirai Kanai, with an Yamato Communcations reporter, Futagami. While coming to Terra is the Alpha Squad, who join with Elvy to take the place of her killed/wounded colleagues. Meanwhile, Futagami goes to Rikudo's place, to find information for Ayato. And when Alpha Squad and RahXephon attack a giant Dolem, it releases smaller dolems. And Ayato must defeat it and does.

Itsuki finds a stone, while examining the Dolem that was defeated in the prior episode. Itsuki takes that stone and gives it as a gift to Sayoko, for Christmas. After, he goes to the beach and invites Ayato, Megu, and Haruka and the others to a Christmas Eve Party. And it begins to snow. While Megu and Kim are shopping Megu talks about Haruka, while Haruka gives Ayato gloves. And a Dolem appears to freeze everything. And RahXephon and Ayato must defeat it, but there's a problem, Sayoko is a part of it. And it's up to Ayato to save christmas for Nirai Kanai. When it looks in doubt, Ayato thinks of Haruka and the gloves he gave her, and saves the day. B-Storyline: Quon stays in bed under her blanket, because she hates the snow.

After Celebrating New Years, it's back to the beach. Quon wanders off, and Ayato follows her. They come up to ruins located in the forest. Apparently Quon and Ayato go missing, and and Haruka starts a search to find them. Quon and Ayato are off somewhere, and Haruka's search was stopped due to the fact they were no where to be found. Haruka ends up back at the ruins, where Quon and Ayato reappear in front of her again. B-story line: While Ayato and Quon are missing, Itsuki tries to pilot the RahXephon, but fails to do so.

Kunugi takes the day off. Quon visits him and plays some music for him, but its incomplete. She goes a little crazy because the song doesn't have an end. Meanwhile, Kunugi goes on a ship for a birthday date, talking to his former wife. She says that he didn't spend enough time with his daughter, using work as an excuse. She gives him the last part of the music. His daughter wrote the music for him. It's her birthday, but she's dead. He visits her grave. Quon finishes the song.