It's 1963 and tough-as-nails Bay City Homicide cops, Griff & Fats, find themselves mired in the most brutal cases of their careers. A brother cop has gone crazy off the rails; an out-of-town cop-killer is seeking revenge; they find themselves stalked by an unknown assailant in a mysterious black car; on top of all that a harvest of homicide is being reaped by a monster killing young women by the dozens. Griff & Fats find they have fallen neck-deep into a sewer of unremitting violence, murder ... and far worse ...