The Curse of the Dains and Other Stories

The disappearance of precious stones is only the first link in a chain of extremely strange events. The person who reported the theft commits suicide, which looks dubious.
His daughter has a multitude of bad habits and a penchant for religious... cults, and additionally, the people around her are dying one by one. 
Is this girl truly a victim of a family curse? Or is the truth far less supernatural, yet much more dangerous?
Dashiell Hammett is the creator of the unique genre of "hard-boiled detective," which soon became a classic in the canon of American literature.
A famous family in San Francisco has had their diamonds stolen, and the investigation of the theft is entrusted to Hammett's favorite hero, never named by the author, but "copied" from a real person, a detective from the famous Pinkerton detective agency.