After nine-year-old Bruce Wainwright, who is obsessed with Batman comics, loses his parents to a violent crime, he is sent to a private boarding school where he battles grief, rage, and revenge. Then a bat-like creature brings justice to his parents' killers, and proceeds to follow Bruce throughout the years. While Bruce wonders if this creature is good or evil, his long-repressed rage threatens to explode and destroy him and the city of Boston.