TV Guide ITV3 Sunday

Hollywood actress Marina Gregg and her director husband take up residence at Gossington Hall in the village of St Mary Mead and hold a reception to meet their new neighbours, including the hall's previous owner Dolly Bantry. The celebrations turn to tragedy, however, after a fan fatally drinks a poisoned cocktail apparently meant for the new lady of the manor. But a different picture begins to emerge as Marina spits out a similarly spiked cup of coffee on the set of her new film - and Miss Marple investigates the star's unhappy past. Julia McKenzie stars, with Lindsay Duncan, Nigel Harman, Joanna Lumley, Martin Jarvis, Hugh Bonneville and Michele Dotrice

An amateur archaeologist publishes a book about his father's discovery of Celtic artefacts in an ancient mound, and plans a celebration on the site - but landowner Gareth Heldman is less than keen on the idea. While out walking, Joyce spots Heldman arguing with a woman, and hours later he winds up stabbed to death with an old weapon that bears a striking resemblance to the one found during the dig. John Nettles and John Hopkins star

The unorthodox but brilliant North East detective investigates when charred human remains are found in an abattoir furnace, and attempts to deduce how and why they got there in the first place. The bones are identified as belonging to a fellow cop, leading Vera to uncover a web of dark secrets as she looks into her dead colleague's fraud squad. Brenda Blethyn dons her familiar hat and mac to play Vera in this mystery, based on the characters created by Ann Cleeves

John and Mehreen recover from their stand-off with Asadi and the Stockport crime gang and with MI5 now finally on his side, John tracks the general to an upmarket hotel. An unexpected lead from his informant Jordan gives the breakthrough he's been looking for, but he is stunned by a shocking revelation from Mehreen before he can alert his colleagues