Scotland, 1745. After decades of exile, Prince Charles Edward Stuart secretly lands with the purpose of revolting the Highland chieftains against the German House of Hanover, ruler of Great Britain.
When a hit and run patient is murdered an attending doctor is placed under suspicion.
When her husband is wrongly accused of murder, an opera singer sets out to find the real culprit.
Set in the near future against the background of a British space programme, the story of the first crewed flight into space, supervised by Professor Bernard Quatermass of the British Experimental Rocket Group.