Usagi and Mamoru are recruited by the artist Yumemi to be models for her next illustration. They both feel drawn to the artists' work because it reminds them of some distant past. Mamoru rebuss her, but Usagi and Umemi become friends. Unfortuanately, Zoisite identifies Umemi as the 4th crystal carrier and attacks her, stealin gthe crystal and turning her into a monster. Tuxedo Mask arrives and protects Sailor Moon, but reveals that he is after the Rainbow Crystals too. He even wants to take away the one that the Sailor Warrios have! Sailor Moon is very confused but somehow manages to defeat the monster and return the artist to normal.