As Mustachio and Kenichi make their way through the hustle and bustle of Tokyo, they overhear a muffled scream from a parcel carried by an old man. Ever the curious type, Private Detective Mustachio follows the old man to his home, finding out that he is a scientist, Professor Yamadano. When confronting Yamadano over the package and his intentions, Yamadano breaks his silence and reveals the discovery he made during a visit to Horseshoe Island. A discovery that has very grim implications... The final installment in Tezuka's SF "World Trilogy" filled with Conspiracy, Political Turmoil, and Hardship. --- **Volumes 45 and 46 of the Osamu Tezuka Complete Works**