Years after a plague kills most of humanity and transforms the rest into monsters, the sole survivor in New York City struggles valiantly to find a cure. Robert Neville, a scientist, is the last human survivor of a plague in the whole of New York. He attempts to find a way to reverse the effects of the man-made virus by using his own immune blood. Years after a plague kills most of humanity and transforms the rest into monsters, the sole survivor in New York City struggles valiantly to find a cure. I Am Legend is a 2007 American post-apocalyptic action thriller film directed by Francis Lawrence.