Elevator Pitch and Plea

     I've been working on my elevator pitch. What sounds so simple, encapsulating your novel in one sentence, is quite difficult, and I have been strugging with it for a year.
     Here is what I have come up with and am seeking your opinion. Please tell me what you think.

     Enslaved from childhood in the first president's household
Ona realizes freedom will not be granted, and chooses to 
right that wrong by running away, compelling George 
Washington to right that wrong in several ways, 
with enormous stakes for both.

     And here I am in an elevator last night,
 sipping instead of pitching...