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n the third century of the second calendar, a corrupt galactic federation, with Earth at its center, drugs its billions of citizens into placid submission. A rebel named Roj Blake, who once tried to organize a resistance group to overthrow this regime, was caught and divested of his memories. But Blake's revolutionary spirit is revived when he witnesses a mass slaughter by police that is covered up by the federation officials. He escapes exile on board a prison spaceship and, together with a lovable band of outlaws, takes over a vacant alien space cruiser of awesome drive capability. Naming their new ship as "The Liberator", Blake and his group travel the Milky Way to seek any opportunity to undermine the evil federation.

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