* Jimmy Wells: A police officer who has been assigned to the "Tenderloin" district in New York City. He is a loyal and honorable man, dedicated to his duty.
* Silas (Si) "Silky" Bob: Jimmy's former friend from their youth, who has become a notorious criminal.
While the story primarily focuses on these two, there is also a minor character:
* The Policeman: A young and inexperienced officer who assists Jimmy in his search for Silky Bob.
The story revolves around the complex relationship between Jimmy and Silky, their contrasting paths in life, and the consequences of their choices.