Pluto: Urasawa x Tezuka, Vol. 5

Who Killed Astro Boy? In an ideal world where man and robots coexist, someone or some thing is after the seven great robots of the world. Interpol assigns robot detective Gesicht to this most strange and complex case--and he eventually discovers that he is one of the targets! Deep into his investigation of the serial murders of the great robots of the world and the former members of the Bora Survey Group, Gesicht discovers the hatred that exists between man and robot. He also begins to unlock another mystery about a memory of his own that had been locked away and all but forgotten...Meanwhile, the mighty Hercules is out for revenge and is finally about to take on the mysterious Pluto!

In a distant future where sentient humanoid robots pass for human, someone or some thing is out to destroy the seven great robots of the world. Europol's top detective Gesicht is assigned to investigate these mysterious robot serial murders - the only catch is that he himself is one of the seven targets. A robot may not harm or kill a human being. Article 13 of the Robot Laws Adolph, a member of a robot hate group, is being used as a pawn and hunted down by the members of his own brotherhood. He must now turn to his worst enemy for protection, Gesicht, the robot who he believes killed his own brother.