The Man from Planet X

A spaceship from a previously unknown planet lands on the Scottish moorlands, near the observatory of Professor Elliot. The arrival brings a humanoid alien to Earth, observed by the scientist and others. Elliot and American reporter John Lawrence are among the first to witness the astonishing event.

Elliot and Lawrence locate the spaceman and attempt to communicate, but their efforts are unsuccessful. The alien's speech comes in musical tones that the humans cannot decipher, leaving them perplexed and wary.

After the failed attempt at dialogue, Elliot and Lawrence depart, and the spaceman follows them, suggesting a connection between the alien and the humans. The pursuit hints at a looming consequence of the encounter.

Dr. Mears, an unscrupulous scientist, realizes the spaceman speaks in musical tones and believes he can extract the metal formula for its craft. He shuts off the spaceman's breathing apparatus and abandons it, telling the professor that communication is hopeless.

Lawrence discovers the spaceman is missing, and the professor's daughter Enid has disappeared as well. The disappearances escalate the mystery and heighten the village's fear.

More villagers vanish and telephone lines go dead, plunging the seaside community into panic. Rumors and dread spread as the threat remains unseen and ominous.

Lawrence and the seaside constable Tommy visit the landing site, only to find the spaceship has disappeared from where it had landed. The mystery widens as the evidence of the alien presence becomes harder to pin down.

The villagers manage to alert Scotland Yard via heliograph, signaling for help and warning of the growing danger. A passing freighter off the coast receives the message as part of the response.

An Inspector and a sergeant arrive and decide that the military must destroy the spaceship to stop the threat. Lawrence objects, arguing that such action could kill those under the alien's control and worsen the crisis.

With the planet due to reach its closest approach to Earth at midnight, Lawrence is given until 11:00 p.m. to rescue the abducted villagers. The countdown intensifies the tension as the clock ticks toward potential catastrophe.

Lawrence learns from Mears that the spaceman intends to use its ship as a wireless relay station to enable an invasion from the approaching dying planet. The plan transforms the crisis into a race against time to thwart the impending attack.

Lawrence orders the villagers to evacuate and sneaks up to the alien craft. He attacks the spaceman, disables its breathing apparatus, and escapes with Enid and the professor, just ahead of the looming danger.

Mears returns to the spaceship and is killed when the military opens fire and destroys the craft. The immediate threat evaporates, and the planned invasion is halted.

No invasion occurs, and Planet X slowly exits the Solar System for deep space. Earth and the village begin to recover from the near catastrophe, with the mystery of the planet fading into the void.