A middle-school student named Usagi Tsukino befriends Luna, a talking cat that gives her a magical brooch enabling her to become Sailor Moon: a pretty soldier destined to save Earth from the forces of evil. Luna and Usagi assemble a team of fellow Sailor Soldiers to find their princess and the "Legendary Silver Crystal." They encounter the studious Ami Mizuno, who awakens as Sailor Mercury, Rei Hino, a local shrine maiden who awakens as Sailor Mars, Makoto Kino, a transfer student who awakens as Sailor Jupiter, and Minako Aino, a young aspiring idol who operates as Sailor Venus, accompanied by her feline companion Artemis. Additionally, they encounter Mamoru Chiba, a high-school student who assists them as Tuxedo Mask on occasion throughout their journey.