The episode involves the alien-hunting team Torchwood taking care of and trying to acclimatise a pilot and two passengers of an aircraft from 1953 who were brought forward to early 21st-century Cardiff.
Owen tries to help Diane to get flying lessons so she can pilot a modern aircraft, but finds that she will have to wait weeks to take them, but airplanes of today are largely flown via instruments and autopilot, much to Diane's disappointment as she does not believe it constitutes "real flying".
John finds that his son Alan is still alive but suffers from Alzheimer's disease and is in a nursing home, with no children to help look after him.
When Jack discovers that Ianto's car has gone missing, he believes John has taken it, and finds him in the garage of his old home ready to commit suicide by carbon monoxide poisoning.
Gwen tries to convince her to stay in Cardiff, but tearfully helps Emma off to a bus station to enjoy her new life.