Legend has it that if the famous Barbary Apes leave the Rock of Gibraltar, it's a sign that the British will lose control of it. During World War II, a British officer is put in charge of the apes. When he detects that the animals' morale is slipping, he hatches a plan to go behind the German lines to "kidnap" a new ape for his charges to lift their spirits before the Germans find out about their condition and use it as propaganda.

Matter-transmitter sabotage leaves a British scientist (Bryant Halliday) disfigured and full of amps.

Philippe, a diplomat's son and good friend of Baines the butler, is confused by the complexities and evasions of adult life. He tries to keep secrets but ends up telling them. He lies to protect his friends, even though he knows he should tell the truth. He resolves not to listen to adults' stories any more when Baines is suspected of murdering his wife and no-one will listen to Philippe's vital information. Written by P.M.Laws@education.leeds.ac.uk