by Margery Allingham.
Adapted as a serial for television in six episodes by John Hopkins.
Starring Denis Quilley, Michael Gough, Sheila Shand Gibbs
with Bernard Horsfall as Albert Campion and Wally Patch as Lugg

With the violent death of Benny Konrad - which also involved several other innocent bystanders - the police are now deeply involved in the mystery behind an affair which began as a series of practical jokes. So, too, is Campion, and to add to the complications, he and Sock Petrie discover yet another body, in a car parked by the road - a car that Sock recognises as the one he has had stolen from him...