Dark Star is the invisible angel of justice, fighting the Home World Security Agency in the name of truth, justice and in the old home-world way. The Earth is ruled by a dictatorship by a One-world government and a Chairman Dictator gone insane with power. This is the story of the Starship Captain Beryl Stone, the mysterious Dark Star. Dark Star turns the enemy inward against itself. He uses psychological methods, trickery and technology to evoke justice while maintaining his secret identity.