Saint Columbia's Treasure

When a local professor is found dead, rumours begin to spread about his hidden treasure. Greengrass' quest to locate it results in him and Blaketon becoming trapped underground beneath a local abbey, forcing the arch-enemies to work together in order to escape, whilst Nick goes on the trail of a mysterious American women. Meanwhile, local undertaker Bernie Scripps and his new assistant come under suspicion when Bellamy investigates a spate of burglaries at the homes of recently deceased villagers.