The film opens on Scalleum, a remote island off the coast of Wales, where Cat Williams and her boyfriend are abducted by unseen forces. The boyfriend meets a brutal end during a harrowing procedure, and Cat is left with an alien fetus implanted inside her. This shocking turn of events catches the attention of Michelle "Foxy" Fox, the bold host of the cable show Weird Worlde, who arrives with a film crew to document the strange happenings for her audience: her cameraman Ricky, Jack the sound man Jack Campbell, the nerdy UFO expert Gavin Gorman, and two guests, Bruce Barton and Candy Vixen, the latter included because Foxy insists it’s for the show, not a personal favor.
The island is reachable only via a narrow causeway that floods at high tide, and the Weird Worlde crew sets out in their van to the Williams family’s eerie farmhouse. There they meet Cat and her three hulking, sadistic brothers who speak only Welsh, with English subtitles to aid the visitors. Initially, the crew doubts Cat’s story and even tries to stage a crop circle nearby to manufacture footage for the show, much to Gavin Gorman’s disgust. But the truth soon becomes unmistakably terrifying: the aliens are real and they are malevolent.
As danger escalates, the crew bands together with the Williams brothers to fend off the extraterrestrial threat, trading skepticism for desperate action and bloody spectacle. A standout moment finds Ricky charging through the chaos in a combine harvester, chasing aliens to the rhythm of The Wurzels’ song Combine Harvester (Brand New Key), a moment that blends black humor with grim survival.
The nightmare deepens when the alien infant inside Cat claws its way free. On the alien ship, Foxy suffers another impregnation, while Gavin experiences a shocking turn as he loses his virginity to a shapely female alien. The human casualties mount: Bruce, Candy, and several Welsh brothers meet grisly demises, and Ricky detonates himself and four pursuing aliens in a tank of liquid manure. Back at the house, the female alien rips Foxy in half, a brutal reminder of the cost of confrontation.
Amid the mayhem, Gavin uses a laptop—an action reminiscent of a famous sci‑fi showdown—to overload the ley lines feeding the nearby stone circle. As Cat’s alien child rips Gavin’s arms from his body, Gavin manages to press the space bar with his nose, a tiny gesture with catastrophic consequence: the stones unleash, ripping into the underside of the alien craft and triggering its crash into a nearby mountain. Jack the sound man, blinded earlier by alien ichor, makes a desperate swim to the mainland only to discover that the videotape that would prove their encounter has vanished.
The film closes with a cheeky, satirical capper: a clip from an alien talk show in the same vein as Jerry Springer, subtitled in English, where Gavin’s female alien attempts to explain how humans killed her crew and reveals she carries the human love child of one of those humans. The audience roars with laughter, and the host cuts her microphone, leaving the fate of the evidence and the truth hanging in the air. The result is a bruising, offbeat blend of horror, gore, and dark humor set against a stark Welsh backdrop.