An unidentified space ship lands in a Colorado lake. Equipped with a paralyzing ray weapon, the creatures begin taking human prisoners. A loan land surveyor and a journalist are trapped inside the Army cordon, which is helpless against the mysterious enemy. Can they stop the aliens before it is too late? (Summary by Mark Nelson)
Author - Murray Leinster.
Narrator - LibriVox Community.
Published Date - Thursday, 19 January 2023.
