The Puppet Masters ending explained
Spoiler summary page for informational search intent.
What happens at the end?
The Midwest USA is invaded by stingray-shaped alien slugs that ride on people's backs and control their minds in order to spread their dominion. Government agency reps Sam Givens, Andrew Nivens, and Mary Sefton must stop the aliens.
Why it matters
The ending resolves the main conflict and sets up the emotional takeaway of the story. As the index grows, this block can be auto-generated with more detailed scene-level commentary.
FAQ
Does this page contain spoilers?
Yes. The explanation summarizes major ending events and interpretation.
Where can I find similar endings and themes?
Check the similar movies page for related tone and narrative structure.