In a reality where superheroes exist, the United States of America is going through a delicate moment after the attacks of September 11, meanwhile, the masked vigilante Rorschach investigates the mysterious murder of a retired hero, which leads him to discover a plan to kill and discredit superheroes both past and present. As Rorschach searches for his former crime-fighting allies, a ragtag group of retired vigilantes, he gets closer to a disturbing conspiracy that involves the heroes' pasts and catastrophic future consequences.
