[3] In a quest to find a source of radioactive material more powerful than uranium, Major Perry Rhodan leads a four-man mission to the Moon on the rocketship Stardust.

On the Moon, they find a stranded Arkonide spaceship, where Commander Thora is trying to save a scientist named Crest, along with a crew of robots.

One of the Earth crewmen is a traitor, however, supplying information to a crime lord who is after the radioactive material, but who sees the encounter with the Arkonides as providing an opportunity for an even greater prize.

[5] It was later released in West Germany in October 1967 under the title Perry Rhodan--SOS aus dem Weltall with a 79-minute running time.

[5] In a contemporary review, Variety noted the dubbing in the film, stating that it was "only fair" and that the special effects were "crude, the color uneven, but the very audaciousness of the admixture keeps the attention.