America in the 60s... An invisible wall appears around the small and unremarkable town of Millville, which does not allow anything living to pass through. Bradshaw Carter is the first to discover this, literally bumping into her. And then strange things began to happen - telephones without wires appeared, which nevertheless receive calls, and on the receiver, no one knows who and no one knows why, talking simultaneously in three different voices; purple flowers, like two peas in a pod, like those that Carter’s dad once planted in his garden, with only one small nuance - they are intelligent...