A huge, alien structure resembling an inverted cone, appears in the woods outside a small rural town. Sent from Washington to investigate the origin of the mysterious object, a team of investigators discovers that intelligent parasites from inside the "cone" can attach themselves to humans' nervous systems and control their minds, taking control of the authorities and workers, making communication with the outside world impossible, and leaving the responsibility of stopping the invasion up to seven people who have thus far been able to avoid possession by these creatures from parts unknown.
An Australian nurse discovers an effective new treatment for infantile paralysis, but experiences great difficulty in convincing doctors of the validity of her claims.
When a teacher reads an essay written by Morgan Evans, one of the boys, moved by his rough poetry she decides to hold classes in her house and believes that Morgan is smart enough to attend Oxford.
Tom Joad returns to his home after a jail sentence to find his family kicked out of their farm due to foreclosure. He catches up with them on his Uncle’s farm, and joins them the next day as they head for California and a new life... Hopefully.
