TV Guide Drama Monday

Auntie Wainwright gives the boys a gas grill, but they have difficulty working out how the pressure valve works, bringing an explosive touch to their barbecue. Howard is busy making improvements on his love-nest, but whether it will ignite Marina's passions or just inflame her remains to be seen. Peter Sallis, Bill Owen, Brian Wilde and Robert Fyfe star

Jo prosecutes an MP accused of attempted murder, but Row Colemore suggests the charges are trumped up. John discovers Colemore is part of a conspiracy to acquit the accused so he can get his hands on a lucrative arms business, and sets about exposing his friend. Elsewhere, Deed's therapy session ends abruptly, with repercussions for his relationship

Sandra and the team unearth the 10-year-old case of a poet from Belfast whose burnt body was found in the scrapyard of a known gangster. Gerry becomes convinced the victim's links with the criminal fraternity led to his demise, but Brian has a different theory, believing the secret of his murder lies in his verse. Amanda Redman, Dennis Waterman and Alun Armstrong star

Part one of two. A Sudanese politician vows to go on hunger strike until the UK returns the skull of an important 19th-century ruler to his country. While searching for the artefact, Boyd is asked to re-open the case of an Iraqi shopkeeper murdered in front of his daughter 20 years ago. A tip-off from a Foreign Office official gives the team a lead - and as it probes further, it seems the two investigations could be connected. Trevor Eve stars