At the end of the book, it is actually divided into new humans and old humans. New humans=infected humans have their own thinking, and they can alleviate certain negative effects caused by the virus by making drugs. Old human = protagonist. The woman in the film, the archetype in the book is actually an undercover agent for a new human, who wants to find out what the protagonist is going to do and what his intentions are. The protagonist was finally caught by the new humans and executed as a die-hard who resisted the new world.
View more about I Am Legend reviews