All for Nothing: Due to advances in technology, the space program was able to beat the astronaut Douglas Stansfield to the new planet and back, but because of a breakdown in communications, they couldn't find his capsule until near the end of the mission.
"Gift of the Magi" Plot: Douglas Stansfield turned off his sleep chamber and aged, unwilling to be young while his sweetheart Sandra Horn grew old. Unknown to him, Sandra underwent an experimental hibernation experiment to wait for him. In the end, the exact opposite of what they dreaded happened.
Downer Ending: Sandra Horn doesn't care and still wants to be with her beloved Douglas Stansfield, though he has aged. But he says he is too old for her now and walks away.