When an ex-superhero is murdered, a vigilante named Rorschach begins an investigation into the murder, which begins to lead to a much more terrifying conclusion.
A gang member, suffering from severe memory loss, searches for his brother's murderer. He secretly enlists the aid of the investigating Detective, while other members of his gang are mysteriously and sadistically murdered.
Though it's been some twenty years since they have spoken with one another, two estranged soul-singing legends agree to participate in a reunion performance at the Apollo Theater to honor their recently deceased band leader.