Celebrated crime writer Colin Knowles finds himself at the centre of a baffling real-life mystery when his estranged wife Louie asks for his help. Her new boss has gone missing at his grand country home -- and when his body is found, the hunt is on for a devious and twisted murderer. Sinister letters from London refer to a 'double crime'. Who will be the killer's next victim?
A stray World War Two bomb releases the ghost of the 3rd Earl of Chaunduyt after 400 years. A visiting professor, while wooing the beautiful Lady Mary, daughter of the present Earl, finds him an ally in his fight on behalf of the villagers to protect their ancient rights against a meddling newcomer.
Irresponsible playboy Arthur Rawlings is sent by his uncle to work as a waiter at a hotel in the South of France. Arthur arranges for shop assistant Frances Travers, with whom he has fallen in love, to win a fairground lottery and stay in the hotel as a prize. Complications arise!
Alec Smart, who is engaged teaching in a prison, applies for the job of headmaster at a nearby public school to replace the previous headmaster who has been convicted of writing forged cheques and has just been sent to prison. Smart appeals to the Governor to write him a good reference which he pretends to. Afterwards he writes his real recommendation which is very negative about Smart's talents. The trustee who works as the Governor's secretary, Faker Brown, "accidentally" gets the two letters mixed up and delivers the one praising Smart. On the basis of the letter, Lady Dorking, the who runs the Board of Governors appoints Smart to the job. This angers her deputy, Colonel Crableigh, who had favoured promoting his nephew, the Deputy head.