The Silver Millium was a happy time on the moon kingdom that was ruled by Queen Serenity. Princess Serenity(Serena) fell in love with a prince from Earth(Endymion). Since Queen Beryl turned the people of Earth from the moon Kingdom to evil the Moon kingdom wanted to punish Edymion.Princess Serenity showed them the error in their thinking and showed that the prince was really good. The prince(Edymion) and Serenity are meant for each other forever.

Soon the happiness ended because of Queen Beryl from the negaverse attacked the Moon kingdom. She sent her seven greatest warriors the the moon which destroyed the moon kingdom. The Sailors fought hard but lost. Queen Serenity fought and won against the evil. Then she sealed away the evil that had caused Queen Beryl to destroy the moon kingdom. With the last of her strength she used the Silver Imperium Crystal to send the Sailors and the Moon Princess to the future.. The guardians were sent along to the future in case the evil ever comes back and the Sailors are needed.