However, while this medicine saved a lot of lives, some people suffered from a symptom like a rabies. From this side affect, they found that medicine changed into a virus. This virus caused death. Infected people were called "Dark Seekers" in this story. Their weak point is sunlight but they have great physical ability. Preying on healthy humans is their main aim. The star of this movie is Robert Neville as Will Smith. He is a scientist. He lives with his dog. His name is Sam.
Neville is the only person who survived the virus because he had an antibody