After Sunday lunch on 15th June 1919, Mabel Greenwood fell ill - "It's the gooseberry tart" she said "It always disagrees with me." When she died during the night the attention of locals in Kidwelly in West Wales focused on her philandering husband, Harold - who proposed to 2 different women only weeks later - and these suspicions grew after it was learned that her cause of death was from arsenic poisoning rather than gooseberry tart. Was the merry widower a murderer as well as a philanderer? And was his friend Dr Griffiths really as utterly incompetent as he seemed to be? It seemed to many that Harold Greenwood had got away with murder...