A man named John Carter has a tumultuous day, involving a dispute with a mysterious Frenchman, a fight between his love interests Alice and Robert, and a fatal shooting. The next day, his body is found in the library at home, sparking an investigation led by Inspector Piper, with amateur detective Hildegarde taking a closer look. The case centers around the Sultan's Emerald and a picture of the Cellini Cup, which may hold the key to uncovering the truth behind Carter's murder.
The Plot Thickens
A valuable Cellini silver cup is pilfered from a local museum, prompting a thrilling detective duo to collaborate in a high-stakes quest to solve the crime.