Phantom Requiem for the Phantom: A spate of mafia assasinations occurs in America, the work of the mysterious organization named Inferno. Phantom is their most strongest and capable assassin, however a lone tourist witnesses Phantoms latest act of murder. He unwittingly exposes the top assassins true identity, a young girl named Ein. Witnesses are usually killed, but the man is captured and taken to be brainwashed into Zwei, Infernos newest assassin, with no memory of who he is. From this point on, Zwei is drawn into a world of conspiracy, deceit and violence.