June 1939. England is partying like there is no tomorrow, gas masks at the ready ... but the good times won?t last. In Europe, the Nazis have invaded Czechoslovakia, and in Germany Jewish persecution is rife. Closer to home, the IRA has embarked on a bombing campaign throughout Britain. But the most far-reaching event of all goes largely unreported: in Germany, Otto Hahn has made the atomic bomb possible. German High Command fears that Cambridge?s...