A State Department employee finds an egg-shaped device with a green fluid inside that makes the person who drinks it invisible. He finds himself being chased by foreign agents who want the s... Read allA State Department employee finds an egg-shaped device with a green fluid inside that makes the person who drinks it invisible. He finds himself being chased by foreign agents who want the substance.A State Department employee finds an egg-shaped device with a green fluid inside that makes the person who drinks it invisible. He finds himself being chased by foreign agents who want the substance.