Revenge and freedom. Two things Estelle wants, but it never seemed to be in the cards for her. Especially when twins who had fallen from the sky take notice of her. After years of being experimented on, Estelle is reunited with the infamous outlaw, Vash the Stampede. The two of them, with the help of others they meet, work to ensure survival of humanity. And possibly accomplishing the goals Estelle had set years ago.