While on leave from the Army, Alan and Doiby run into a weird time traveler from the year 3042, whose ability to win big in all forms of gambling mystifies Green Lantern, but interests a criminal gang.; Alan and Doiby suddenly find themselves discharged from the Army, just in time to begin the search for the mysterious time traveller. Little do they realize that their search will end on the dark side of the Moon, where they discover a mystery world.; Green Lantern faces death at the hands of Gorrall, evil master of the Moon's inner world, all without the use of his power ring.; The Emerald Crusader and Doiby return to Earth for a final showdown, and they find that they must travel into the far future to track down the evil Raakj...and Doiby even discovers a relative of his.