Title: Mingled with Venom
Description: Wealthy and elderly Romula Leyden offers hints about her will to her family, which includes a number of outsiders whom she has befriended. And then she dies by poison. Dame Beatrice doesn't believe the police have arrested the right person, so she sets out to discover the real murderer.
Places: Cornwall
People: Dame Beatrice Adela Lestrange Bradley (fictional character)