Cathie Nelson

A pair of cops hunt the killer of the most beautiful hooker on Chicago’s North Side. On a blistering Chicago afternoon, the Cubs are winning and Abe Lieberman is waiting to meet a prostitute. This mild-mannered old police detective still has a few tricks up his sleeves - and one of them is named Estralda Valdez. One of the city’s loveliest women of the night, she is Lieberman’s most prized confidential informant, and she needs help with a psychotic john. Though they suspect she’s only paranoid, Lieberman and his partner, Bill Hanrahan, agree to watch Valdez’s back.

As a television news correspondent, Alex Callahan has traveled to some of the most dangerous corners of the globe, covering famine, plague, and war. He's seen more than his share of blood and death, and knows what it means to be afraid. But what he's never known is the terror that grabs him when, on a tranquil summer afternoon, he ceases to be an observer of the dark side and, to his shock, becomes enmeshed in it.