Season 18

18×05: Sinners and Saints

15th century (probably second half): In Midsomer County, a devout woman, Cicely Milson, is interrogated and tortured for three weeks by her tormentors. Her family flees to France to escape the torture. The family treasure, however, remained with Cicely. Cicely dies during the torture and is buried with her family hoard. She is later venerated as a martyr.
Deep Dive: Treasures & Raiders in Midsomer County