1 day, Usagi Tsukino, clumsy 2nd-year middle school student (8th grader), stumbles upon a talking cat named Luna. Luna tells her that she is destined to be Sailor Moon,"champion of love and justice", and that she needs to look for the fabled Moon Princess. Usagi finds friends that turn out to be destined senshi also, and together they struggle to rescue the planet from the certain doom brought upon by the Dark Kingdom (Queen Beryl, the generals, Metallia).