Saphir learns of Wiseman's true intentions and tries to warn his brother, only to be attacked by Wiseman himself. Barely managing to escape, Saphir is surprised when he is saved by Petz and her sisters.
Ami is offered a chance to study abroad in Germany, which would bring her one step closer to her dream of becoming a doctor. Knowing how important this is to her, Usagi and the others urge Ami to accept the offer.
Usagi wakes up one morning to find that Chibi-Usa has gone missing. Meeting up with Mamoru, the two search the neighborhood for Chibi-Usa, eventually finding her sitting alone at the park.
While visiting Seijuro and Natsumi's apartment, Usagi and Mamoru come under attack by the Makai Tree.
Ail and An learn that the Makai Tree is beginning to die from lack of energy. Meanwhile, Usagi and her friends visit Seijuro and Natsumi's apartment after hearing that Natsumi is not feeling well.
Usagi and Natsumi both get detention after angering Ms. Haruna during class. The two start working on their assignment when a Cardian suddenly shows up.
Usagi and the girls get into an argument over who gets to play Snow White in the upcoming play with Mamoru. After drawing straws, Natsumi gets the part, much to Usagi's frustration.
Ami and Makoto are trying to figure out who exactly the Moonlight Knight is. Suspecting that Seijuro and the Moonlight Knight may be the same person, Makoto volunteers to investigate by getting closer to Seijuro.
A school festival is going to be held at T.A. Girls' Academy, which Rei attends. When Usagi and Ami go to check up on her, they find Rei busy overseeing the setup and events.
Usagi goes to a virtual reality arcade that has just opened up in the Juban District, where she unexpectedly runs into Mamoru, as well as Seijuro and Natsumi.
Usagi, Mako, and Ami see a boy being attacked by one of Ail and An's Cardian monsters. To Mako's surprise, the boy turns out to be her childhood friend Shinozaki.
Two months have passed since the Sailor Guardians defeated the Dark Kingdom. Having lost all memory of being Sailor Moon, Usagi now lives her life as an ordinary girl.
Sailor Moon confronts Queen Beryl's Endymion. She attempts to free Endymion from Queen Beryl's control, but his brainwashing cannot be undone. With the fate of the world hanging in the balance, Sailor Moon is forced to fight the man she loves.
The Sailor Guardians head out into the Arctic Circle. Having anticipated their arrival, Queen Beryl sends the DD Girls, who ambush them. To Sailor Moon's horror, the Sailor Guardians fall one after another as they try to defeat the DD Girls.
Sailor Venus finds the Dark Kingdom's hideout. The Sailor Guardians fall into Kunzite's trap, which hurls them into the past. The girls find themselves in a world called Silver Millennium, where they meet Queen Serenity, the mother from Usagi's past life.
Umino seems to have fallen in love with Naru. Unfortunately, Naru only considers Umino a friend, so Usagi decides to play Cupid by getting free tickets to the amusement park and urges them to go on a date together.
Usagi and friends meet a girl who they believe holds the final Rainbow Crystal. Zoisite also pursues her. But when neither Usagi's Moon Stick nor Zoisite's Dark Crystal reacts to the girl, they realize it's her pet cat that possesses the Rainbow Crystal!
Grandpa Hino has become emotionally unstable, causing Rei to worry. The new apprentice Yuichiro tries to cheer her up by blaming Grandpa's behavior on the weather. Realizing that Yuichiro likes Rei, Usagi tries to help their relationship along.
Usagi and Makoto are shocked to discover their crush Motoki has a girlfriend named Reika. His relationship is in jeopardy, however, due to Reika's chance to study abroad. With nothing to lose, Usagi and Makoto aggressively go after Motoki's affection.
Usagi and Naru attend an art exhibit by Yumemi Yumeno, whose works are known for helping people find love. Usagi is surprised when she and Mamoru, who also happen to be at the exhibit, are both asked by Yumemi to become models for her latest painting.