Usagi Tsukino, a fourteen year-old eighth grader, discovers that she is the Sailor Guardian named "Sailor Moon".

Through an unexpected turn of events, Usagi becomes close with Ami Mizuno, a genius girl with an IQ of 300. But there's something odd about the students at Ami's seminar...

Disturbing rumors about the Sendaizakaue bus swirl all around Usagi. Amid the rumors, Usagi meets a beautiful shrine maiden with black hair named Rei Hino.

Usagi has learned the princess of jewel-producing country D will put a hidden treasure on display. Suspecting it might be the "Legendary Silver Crystal", Usagi sneaks into the D Embassy.

All of Juban Middle School is talking about the "cursed bridal shop", where every men who visits is said to disappear. Just then, a tall girl with superhuman strength, Makoto Kino, transfers to the school!

Tuxedo Mask has been reported to have committed many crimes to obtain the "Legendary Silver Crystal". Luna and others are convinced he's the enemy, but Usagi can't believe it…

Usagi learns Tuxedo Mask's identity is actually Mamoru Chiba. Meanwhile, brainwashed people in Usagi's town wander around looking for Sailor Moon.

While trying to protect Sailor Moon, Tuxedo Mask loses consciousness. Out of sorrow, Sailor Moon awakens as Princess Serenity.

Sailor Moon and the others have landed on the Moon to solve the mystery of the Legendary Silver Crystal. There they meet Usagi's mother from a previous life, Queen Serenity.

Appearing before a devastated Usagi is a man who looks just like Mamoru but goes by "Endo". Usagi sees traces of Mamoru and thus approaches him…

Sailor Moon learns that Mamoru has become a soldier of the Dark Kingdom. She decides to take on Queen Beryl in an effort to get Mamoru back, but…

To end the painful journey, Sailor Moon stabs Mamoru with the holy sword before turning it on herself. The two fall to the ground, and are sucked in by Queen Metalia.

Sailor Moon stands up to destroy Queen Metalia, who radiates a tremendously dark energy. The power of the "Legendary Silver Crystal" is finally released.