The Unexpected Visitor
- Episode aired May 23, 2023
James goes to the country to visit his family for the weekend, but his visit is cut short by an appearance from Oliver. Meanwhile in London, Mary discovers something gruesome.James goes to the country to visit his family for the weekend, but his visit is cut short by an appearance from Oliver. Meanwhile in London, Mary discovers something gruesome.James goes to the country to visit his family for the weekend, but his visit is cut short by an appearance from Oliver. Meanwhile in London, Mary discovers something gruesome.