The Jackson Case

When their neighbour, Stuart, asks for a simple favour, Janet and Joan Markham can't refuse. They're happy to let the man use their bed and breakfast, Doveby House, for a planning meeting. Stuart is part of a committee that's putting together a charity fundraiser and the sisters are happy to support his efforts.
The committee members are an odd mix of retired London professionals and local characters, including Doveby Dale's resident historian. He's been ignoring Janet's efforts to find out more about Alberta Montgomery, a former resident of Doveby House.
Can the sisters help Stuart put together a successful fundraiser? Can Janet get her questions about Alberta answered? Is there something criminal going on behind the scenes, and is it possible that someone from Doveby Dale is part of the conspiracy?