Marian McLoughlin

Heads roll, quite literally, when a movie crew begins filming an adventure classic set during the French Revolution.

When an old friend is arrested for murdering his fiancée, Crabbe and wife Margaret smell something fishy. Even after the man breaks down and confesses to the crime, Crabbe suspects a conspiracy, pinning his hopes on scant evidence.

William Shawcross' search for love stops when he sees Mary Gilcrest. But their first date is a disaster, and it's not helped when, at the worst possible time, she discovers he's an undertaker.

William fears things with Mary are ruined, but she's preoccupied with a truant teenager and her meddling mother, Molly, who's got "fix up" plans of her own.

Lucy comes out of maternity leave to defend Wycliffe when he is accused of taking bribes.