Between the flak, the searchlights, the night fighters and the freezing, airless cold at twenty-thousand feet, bombing Germany in midwinter is no joke at all- but with some of the friends he's got, pilot Ken Harding might not even need any enemies. Ken gets to know his crew a little better, as they edge towards the last operation that will complete their tour of duty. One more nightmare flight, and then they can all go home...