It's the summer of 2008. Chicago's Hyde Park Senator is running for the White House, the city is vying to host the 2016 Summer Olympics, and "poison," a lethal form of heroin, has killed more than 250 people, including dozens of suburban girls from prominent families. Natalie Delaney, a crime reporter from the Chicago Times, discovers that daughters of Democratic powerhouses are the real targets. Obsessed with finding who is behind the killings,...