Stanley Windrush has to interrupt his university education when he is called up towards the end of the war. He quickly proves himself not to be officer material, but befriends wily Private Percival Cox who knows exactly how all the scams work in the confused world of the British Army. And Stanley's brigadier War Office uncle seems to be up to something more than a bit shady too - and they are both soon working for him, behind the enemy lines.
The first manned spacecraft, fired from an English launchpad, is first lost from radar, then roars back to Earth and crashes in a farmer's field, and is found to contain only one of the three men who took off in it; and he is unable to talk but appears to be undergoing a torturous physical and mental metamorphosis.
Robin Hood is persuaded by two nobles whom he believes to be loyal to King Richard to recover secret plans attaining to the rescue of the king from captivity in Germany. Though disguised as a troubadour, Robin is betrayed and captured. Lady Alys and the merry men help him escape in time to foil an intended ambush on King Richard as he returns from the Crusades.
Someone knocked out a man and left him for dead during a fishing trip in Portugal. That someone is either his fetching wife, or two business partners, all sporting guilty faces after his unexpected return. Two more murders and a frame-up befall the quartet before an inspector closes the case.