About the book: 1939 / A certain Carla Lofchen turns to Nero Wolfe for help with a request to protect her friend, who came from Montenegro, from false accusations of stealing diamonds. Wulf categorically refuses to take up the case. However, Carla presents a document signed by Wulf himself. She claims that her friend is his adopted daughter. Then the detectives get down to business. The issue of the theft of diamonds turned out to be a simple misunderstanding, but then a murder occurs. Archie absconds with the murder weapon. Everything points to Wulf's daughter, but is she who she says she is??..