Styx and Stones

In the 1920's, in post-WWI England, the Honourable Daisy Dalrymple, newly married to Detective Inspector Alec Fletcher, is asked by her brother-in-law to discreetly investigate a series of poisoned pen letters that many of the local villagers have been receiving. When the pompous and unbearable brother of the local vicar is killed by a very large r...