What woman of a certain age doesn't sometimes look upon her life and wish she could go back and do it all over again? With more of her life behind her than ahead, Margaret Braverman, a physicist teaching at a small college, cannot help but regret the things she never quite got right. Most important among them was the tragic ending of her romance with her brilliant colleague Frank, something she has never gotten over. Then there is the prospect of restoring the respect of her colleagues after that unfortunate incident where she set her hair on fire. And, of course, it would be glorious...