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 a...