In the film, Sienna betrays Robert and she happens to be Zobrist's lover and wants to continue his work by releasing the virus. In the end, she dies by trying to release the virus. In the book, she also betrays Robert and is Zobrist's lover too, but instead she wants to retrieve the bag with virus and destroy it before the World Health Organization (WHO) arrives first because she does not trust them, fearing they will use it as a weapon. In the end, neither Sienna nor the WHO manages to retrieve the bag and Sienna, reluctantly, joins the WHO to find a cure.

Film

Nessun dato in archivio