Jonathan is asked to investigate a series of murders commited by a shadowy figure wearing a coonskin cap.
When a mistress is kidnapped, Jonathan and Carla begin an investigation.
Resolved to avenge his father's death, a man pulls off an astonishing feat of metamorphosis.
When a detective is accused of murder, he asks for Jonathan's help to prove his innocence.
Jonathan and Carla investigate a missing porcelain figure.
Jonathan and Carla investigate the death of a notable ghost hunter.