In his third encounter with the seamy world of the LA power structure of the 1940s, disgraced ex-homicide detective Harry Palmer tangles with the LAPD as it attempts to shed its aura of corruption while clamping down on the Mexican American community of Boyle Heights in the wake of the Zoot Suit Rebellion. Lurking in the background is a burgeoning Big Pharma industry as these various threads interconnect and lead Harry into a maze of sex and drugs as he confronts his own tarnished past.