HEGIRA: WGA 13187-00 (Alien planet) A human hero invades an alien planet after his wife and son are abducted by galactic slave traders. Yarthgo, the only human being living on Astral East is held prisoner in an alien slave camp. He steals Supreme Commander BEL'S Starbird and then escapes. Evil Thelosian Queen Lady Agnes takes Yarthgo's son and exiles his mother Helen to Outer Thelo prison. Yarthgo and his aquatic allies liberate Thelosian citizens who have been imprisoned for minor crimes. Lady Agnes is a black hearted thief who steals the crown jewels but crashes her royal saucer during the escape. Helen becomes the new ruler at Thelosis. Hybrid heroes to their island only to discover aliens have devastated the aquatic compound. Queen Helen orders her Space Guard to annihilate the Krieas and destroy their dome.