Octavia Swanson is 18, it's her first year at Barden, and she's here with her twin brother, Jesse. Octavia loves to sing, she's a major tomboy, and loves all things music. She was planning to just join an A Capella group, and have a normal freshman year. Until she met Donald Walsh. Jesse knew Octavia had always wanted to be a Treblemaker, but she assumed it was a boys only group, turns out their not. When Octavia goes to Auditions, she tries out for The High Notes, but little does she know, Jesse manages to sneak her info to The Treblemakers.