The kingdom of Gemini is attacked by the evil Queen Halle. The twin princesses of the kingdom are missing, so is the important Night Star Box, which has affected planets including Earth. The fairy Queen had sent Prince You Le and Sally to Earth, looking for the Night Star Box with the help of Maggie and Michelle. Then the gang found out one of the girls who takes dance lessons with Maggie and Michelle is one of the missing princesses, Bei Bei! The mission to find the Night Star Box and the the still missing princess, Ya Ya, is now on the shoulder of the fairies. (Source: Mahou Shoujo Wikia, edited)

To help the fairy Queen find her disappeared friend Melody, who was a skillful music fairy from the Music Castle, Sally, Maggie, Michelle and Beibei encountering nine musical magicians and fighting with dark musical witch Voiceless. Sally and the fairies suspect that Melody is connected with the dark power behind the scene. While, what is the truth? (Source: Mahou Shoujo Wikia)

In the magical underwater world, there is a mysterious and charming place called Hai Ying Bao. When human girls Ling Haijun and Xia Fan accidentally met the Princess of the Icy Blue City, Nahiya, they transform from ordinary girls into magic fairies. (Source: Magical Girl Wikia)

The Dead Moon Circus has arrived in Juban with the hopes of liberating their queen, Nehellenia, by stealing the Legendary Silver Crystal for themselves. Using Lemures, the Circus begins to convert people's dreams into nightmares in order to collect enough energy to plunge the Earth into darkness and turn it into a planet of death. In order to stop the Circus in their tracks, Usagi Tsukino and her friends must reprise their roles as the Inner Sailor Guardians. When Mamoru Chiba suddenly falls ill after the appearance of a total solar eclipse, Usagi and Chibiusa encounter a pegasus by the name of Helios who is desperate to unseal the Golden Crystal, which Helios claims is the only way to save their world from the impending threat. Meanwhile, the Sailor Guardians discover that they can no longer transform following the eclipse and begin to fall victim to the Circus' Lemures. Will they be able to recover their powers in time to stop the darkness from taking over?