Glee Season 1:
Rachel Berry's unpopular but has ambition and real talent, like a real person.
Glee Season 2:
Rachel Berry's slightly more likable and gets her heart broken, also like a real person.
Glee Season 3:
Rachel Berry is the single most important person in THE WORLD AND MUST GET EVERYTHING SHE WANTS.
Glee Season 4:
Rachel now has to work for most of the things she wants and nothing is guaranteed anymore.
Glee Season 5:
JUST KIDDING! Enjoy your lead role on Broadway!
Glee Season 6:
Rachel has finally lost everything, but people still want to tell her what a star she is until she believes it again and gets more opportunities dropped into her lap. And eventually wins that Tony.
Lea [Michele]’s Rachel was going to have become a big Broadway star, the role she was born to play. Finn was going to have become a teacher, settled down happily in Ohio, at peace with his choice and no longer feeling like a Lima loser. The very last line of dialogue was to be this: Rachel comes back to Ohio, fulfilled and yet not, and walks into Finn’s glee club. “What are you doing here?” he would ask. “I’m home,” she would reply. Fade out. The end.