It's Mallory Atkinson's first Christmas in Scotland. Victorian Scotland, that is. Also, as the twenty-first-century detective learns, Christmas really isn't a thing in Victorian Scotland. It's all about Hogmanay. But her boss, Dr. Duncan Gray, treats her to an early gift of tickets to the event of the season: a Charles Dickens reading. There, they bump into Lady Inglis--the lovely widow who has sent Gray sexy letters trying to entice him back to her...