A young girl is attacked by a Daimon, but Usagi is no longer able to transform into Sailor Moon, and the overpowered Sailor Team must one again rely on the mysterious new Sailor Senshi.
Usagi's friend, Unazuki, is attacked by a Daimon and has her Pure Heart Crystal. After the crystal is dropped, Sailor Moon must race to find it and save Unazuki.
After Sailor Neptune is captured and possibly killed by Kaolinite, Sailor Moon and Sailor Uranus find themselves shackled together and are forced to reassess their attitudes toward each tower.
Worried by Rei's increasingly intensive meditation, Yuuichirou becomes concerned that she has fallen for another man. When he sees her with Haruka, he is convinced that she is Rei's new suitor.
Usagi is furious when Mamoru forgets her birthday. When Mamoru buys her an expensive pair of glass slippers to make up for it, he fails to realize that they have been implanted with a Daimon's Egg.
Usagi and her friends are invited to a party for foreign university students, but her enthusiasm is tempered by the knowledge that most of the conversation will be in English.
Minako realizes that she is the only one of the Sailor Team not to have been targeted for her Pure Heart Crystal, and takes increasingly absurd measures to prove her purity.
Usagi and her friends go to the park to watch a movie being filmed. While Chibiusa befriends the mysterious Hortau, the filming is disrupted by Mimete.
Mimete infiltrates an idol competition in order to get close to her target, Jinta Araki. But when she qualifies for the final round, she considers quitting the Death Busters.
When Mimete decides to help in the production of a Daimon, she accidentally creates an anomaly that fractures the dimensions inside the Tomoe residence, trapping Chibiusa and Hotaru.
After Hotaru and her father disappear from their house, the Sailor Senshi infiltrate Mugen Academy, suspicious that it is connected to the Death Busters.
Tellu opens a store selling Telluns, plants designed to remove Pure Heart Crystals. Meanwhile, Hotaru wakes up, confused, in the Messiah of Silence's chamber.
With the latest round of national Patrice exams being held at Mugen Academy, the Sailor Team infiltrate the school and Ami encounters her academic rival, Yui Bidou.
The Sailor Senshi approach Mugen Academy in order to save Chibiusa and defeat the Death Busters, while Mistress 9 plans to steal the Holy Grail from Sailor Moon.
Mistress 9 steals the Holy Grail, allowing Pharaoh 90 to pass through the portal to Earth. The fate of the world rests in the hands of the Senshi of Ruin, Sailor Saturn.
The Death Busters have been defeated, but Hotaru is reduced to infancy and Sailor Pluto's whereabouts are still unknown. Meanwhile, Haruka and Michiru have one last mission before they leave Azabu-Juban.