Adam Penner, a renowned scientist, receives a shocking message from extraterrestrial beings who reveal that they have been on the moon for the past twenty thousand years, watching humanity with interest. They also reveal that they have the power of invisibility, which has enabled them to remain undetected for thousands of years. The aliens inform Penner that they have decided to annihilate humanity unless all the nations of the earth surrender to them immediately.
Faced with this dire threat, Penner gathers a team of experts to help him find the aliens' weakness. His daughter, Phyllis, is a talented scientist in her own right and proves to be an invaluable member of the team. Meanwhile, Major Bruce Jay is a no-nonsense army officer who provides invaluable strategic guidance, while Dr. John Lamont is a squeamish scientist who gets caught up in the action despite his misgivings.
As they work to uncover the aliens' secrets, Penner's team is suddenly attacked by the extraterrestrial beings, who have taken over the bodies of the recently deceased. The aliens are intelligent and ruthless, and they seem to have the upper hand in the battle. However, Penner and his team are determined to find a way to defeat them, even if it means risking their own lives.
The action is fast-paced and suspenseful as Penner and his team search for the aliens' weakness. They face numerous challenges along the way, including a ticking clock as the aliens prepare to launch a devastating attack on Earth. Will Penner and his team be able to save humanity from destruction, or is it already too late? Invisible Invaders is a thrilling science-fiction adventure that will keep audiences on the edge of their seats until the very end.