Word is out on the street that Sam and Rachel tried to take a Philadelphia mob boss for big money--and came up short. Now there's a price on their heads and a relentless enforcer named Rocco tracking their trail from city to city, talking to the people they've burned and leaving his own trail of trouble behind. As the noose tightens and the past jobs catch up with them, it's only a matter of time before hunter and hunted end up in the same place, at the same time, with everything on the line. Come the Apocalypse by Frank Zafiro is a ruthless, mob-fueled installment of A Grifter's Song , the crime fiction series created by Frank Zafiro.