Under Lock and Key: A Story. Volume 3 (of 3)

"Under Lock and Key: A Story. Volume 3 (of 3)" by T. W. Speight is a late 1800s novel that continues a complex story revolving around the mystery of a valuable diamond, featuring characters like Captain Ducie and James Jasmin. The novel weaves together themes of trickery, who people really are, and the pursuit of riches, as the characters face dangerous situations. The story starts with Captain Ducie healing from an injury while in hiding in London using a fake name, Mr. Stonor. His connection with James Jasmin grows stronger, even though Jasmin is starting to think that Ducie has the Great Diamond. At the same time, Ducie falls in love with Mirpah Van Loal, a pretty young woman whose father sells diamonds. Their time together is filled with anticipation as Ducie thinks about getting married, not knowing about the dangers posed by Cleon, the mysterious servant with mixed ancestry. Secrets, love, and being betrayed start to come into play as secret goals and connections from the past come back to the surface, preparing for more to happen.