In the span of a single day, the town of Silverton is ravaged by an unprecedented onslaught of tornadoes. The entire town is at the mercy of the erratic and deadly cyclones, even as storm trackers predict the worst is yet to come. Most people seek shelter, while others run towards the vortex, testing how far a storm chaser will go for that once-in-a-lifetime shot.

In the distant future, an immortal bionic leader, the product of genetic engineering, has ruled over the universe for 200 years. An uprising is being staged by those preserving natural birth.

Gathered together by young Hubert (Tom Rhys Harries), a small band of hired swords gather inside his families castle intent on holding off evil Celtic Tribesmen hell-bent on revenge for the death of their leaders' son: a young mercenary named Guy (Tom Austen) whose soul is wracked with guilt over the atrocities he has committed during the days and years after the great battle of Rochester Castle and his burgeoning feelings for Kate, his cousin (Roxanne McKee), ; battle-hardened mercenaries such as Berenger (David Caves), who fight not for God and country for money and bloodlust.

In the vein of the brutal heist drama Reservoir Dogs, the modern crime thriller A History of Violence, and the classic western High Plains Drifter, SWELTER is a violent story of greed and retribution.

Mankind must fight to survive as Earth is invaded by hostile UFOs bent on destroying the planet. As the epic battle wages on, astronauts sneak aboard the mothership where they discover a portal to the aliens' home world. They manage to alert Earth before they are brutally murdered. Left with no other choice, Earth sends an elite military team of science and combat specialists through the portal where they attempt to stop the invasion from the inside out. But is the battle already lost for humanity?