Jonathan Dakers' early ambition was to become a great surgeon and to marry Edie Martyn. But, on the death of his father, he is obliged to start work as a partner in a poor general practice in the Black Country. Edie falls in love with Jonathan's brother, Harold, who is killed in the Great War, and Jonathan marries her as planned. It is only afterwards that he realises he now loves another.

When a young RAF pilot miraculously survives bailing out of his aeroplane without a parachute, he falls in love with an American radio operator. But the officials in the other world realise their mistake and dispatch an angel to collect him.

In the midst of Nazi air raids, a postman dies on the operating table at a rural hospital. But was the death accidental?