An adventure in six parts by Roger Dixon
with Bernard Cribbins and Fabia Drake

Stanley Peril and Miss Wellworthy set out for Italy, on the instruction of British Intelligence, to find why murder had been done to get possession of a plan to build an oxygen plant in Arabia. On the way Stanley was framed for murder, but escaped from the police. With Miss Wellworthy, he broke into a house in Naples, the gang's headquarters, and found a letter from Beirut and a map of Arabia. The crooks returned unexpectedly; Stanley and Miss Wellworthy escaped through a cellar and an underground canal - but then they heard a launch coming towards them from the sea...