In 'Swan', a young girl dreams of becoming a beautiful prima ballerina! But there are many challenges on the way to the top of the professional dance world. When three of Hijiri Masumi's talented classmates are chosen for a special performance in Russia, the ballet capital of the world, she is fortunate enough to join them as a backstage crewmember. But fate intervenes again when one of her classmates is injured and Masumi is chosen as a substitute dancer for the rehearsals. Will Masumi succeed as she is thrust upon the world stage?