A giant computer has mercilessly subjugated humanity, and the fight against it is impossible without the five great Rings - powerful microcircuits capable of destroying the new ruler of the world. A group of desperate rebels - the Thunder star pirates - sets out in search of the Rings. But restoring to people the right to control their own destinies is not an easy task, for the Rings are scattered throughout the nooks and crannies of the Universe, and each of them is under vigilant guard. One wrong step can be deadly for the warriors of the storm...