The unlikely heroine of this Lisa Scottoline thriller (which follows 2006's Dirty Blonde), mousy University of Pennsylvania assistant law professor Natalie "Nat" Greco, finds herself in way over her head when an unintended visit to a minimum-security prison in nearby Chester County puts her in the middle of a deadly uprising—and places her at the center of an elaborate plot that involves an incarcerated crime boss and more than a few improbable conspirators. Greco's classes at Penn Law—the History of Justice, for example—aren't nearly as well attended as those taught by charismatic and handsome prof Angus Holt. Greco herself is far from immune to Holt's charm, so when he asks her to accompany him to Chester County Correctional Institution to lecture to inmates involved in an externship program, she quickly agrees. But the professors' visit soon turns deadly; a riot erupts, and amid the chaos Greco finds herself alone with a dying correctional officer who has been stabbed through the heart with a metal shank. His last words are a cryptic message to his wife: "It's under the floor." Soon thereafter, Greco is inexplicably set up for the murder of a state trooper and is forced to become a fugitive from justice while she tries to unravel the mystery of the dying man's words. While not as sexually supercharged or frenetically paced as Dirty Blonde, Daddy's Girl derives its power from the subtle and compelling coming-of-age of protagonist Greco, a sheltered and socially naive woman who, when faced with the ultimate adversity, discovers herself.