: Neville sacrifices himself by using a grenade to take out the Darkseekers, allowing Anna and Ethan to escape with the newly discovered cure. They eventually reach a survivor colony in Vermont.
: Neville realizes the Darkseekers are not mindless monsters but have developed their own social bonds. He returns the female captive to the alpha male, and the creatures leave him in peace. Neville, Anna, and Ethan then leave New York together in search of other survivors.
: The story begins years after a genetically re-engineered measles virus—originally intended as a cure for cancer—mutates into a lethal strain. It kills 90% of the world's population and turns most of the survivors into "Darkseekers," feral, light-sensitive creatures with superhuman strength and aggression.
I Am Legend (2007) is a post-apocalyptic action thriller starring Will Smith as Robert Neville, a scientist who is the sole human survivor in a deserted, overgrown New York City.
: Robert Neville is immune to the virus. He spends his days scavenging for supplies, broadcasting radio messages to find other survivors, and conducting experiments in his basement lab to find a cure using his own blood. His only companion is his loyal dog, Sam.