Hal 9000 said:
Rey is a desert scavenger who goes off to look for Luke, finds him, gets minimal training, destroys… an Emperor surrogate, and learns the power of friendship. And she’s a descendant of an OT character you’d least suspect, just for fun.
It is R2D2, isn’t it?
I knew it, the little guy was always busy with the few women in the star wars universe back then! It all makes sense now.