Ending Of 'Us' Explained

Jordan Peele's new horror-thriller movie 'Us' left audiences with a lot of questions, according to ComicBook.com.
At the beginning of the film a young girl encounters her evil twin in a fun house.
She returns to the town as an adult.
The evil twin, now grown up with her own family, attacks her.
She gets into a fight with the evil twin and wins.
At the end of the film we discover that our heroine, played by Lupita Nyong'o, is the evil twin all along.