Dale Callow is a captain for an Earth colony on Planet Hagen along with one other captain. Dale is sent to Earth for new seeds to be used the following spring. He's given a computer disk to program the trip to Earth. This new technology will get him safely to Earth in six months while Dale sleeps, Earth guarantees it.

Dale Callow is a captain for an Earth colony on Planet Hagen along with one other captain. Dale is sent to Earth for new seeds to be used the following spring. He's given a computer disk to program the trip to Earth. This new technology will get him safely to Earth in six months while Dale sleeps, Earth guarantees it.