Brendan Holmes, Margaret Marple and Auguste Poe run the most in-demand private investigation agency in New York City. The three detectives make a formidable team, solving a series of seemingly impossible crimes, from a priceless art theft and a decades-old unsolved murder, to mysterious disappearances that expose 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, Margaret and Poe?