Tonton Streaming You Rang, M'Lord? (1990) S1E1 - The Phantom Sign Writer

Alf and Ivy are settled into their new jobs but things soon hot up when Sir Ralph suspects that his wife, Lady Agatha, is having an affair. Lord Meldrum's car is vandalised – someone has daubed the word "fornicator" on the side which causes a panic when the Bishop wants to use the vehicle.