Brendan Holmes, Margaret Marple and August Poe run the most in-demand private investigation firm in New York City.
The three detectives make a formidable team, solving a series of seemingly impossible crimes which expose the dark underbelly of the city — from priceless art theft and a high-stakes kidnapping to a decades-old unsolved murder, a gruesome subterranean prison, and corruption and bribery at the highest levels of power.
But it's not long before their headline-grabbing breakthroughs, unconventional methods — and untraceable pasts — attract the attention of the NYPD and the FBI.
After all, it's no surprise that there's a mystery or two to unravel in the city that never sleeps... not least, who really are Holmes, Marple, and Poe?