Summons to a bullet-riddled body in a Hell’s Kitchen apartment marks the start of a new case for consulting detectives Sherlock Holmes and Joan Watson. The victim is a subway train driver with a hidden stash of money and a strange Colombian connection, but why would someone kill him and leave a fortune behind? The search for the truth will lead the sleuths deep into the hidden underground tunnels beneath New York City, where answers—and more bodies—may well await them...

The Chief Financial Officer of a secretive NYC hedge fund has been found murdered—stabbed through the eye with an expensive fountain pen. When Sherlock Holmes and Joan Watson discover a link between the victim and a charismatic management guru with a doubtful past, it seems they may have their man. But is the guru being framed? As secrets are revealed and another victim is found murdered in the same grisly fashion, Holmes and Watson begin to uncover a murky world of money and deceit…