I Am Legend (2007)

Years after a plague kills most of humanity and transforms the rest into monsters, the sole survivor in New York City, Robert Neville, struggles valiantly to find a cure. Driven by his grief and determination, Neville experiments with various vaccines in his laboratory, hoping to create a cure for the virus. Along the way, he faces the daily struggles of living in a post-apocalyptic world, battling monsters, and dealing with the loneliness of his isolation. As he fights to survive, Neville's past and the tragedy that led to his current situation constantly haunt him. When he encounters a group of immune survivors, including a woman named Anna and her son Ethan, Neville must decide whether to embrace hope and join them in their journey to find a safe haven or continue on his solitary quest to find a cure. In the end, Neville sacrifices himself to save Anna, Ethan, and the remaining survivors, leaving behind a legend of hope and resilience.