There's a sweltering heat wave outside. Nearly a year after Pittsburgh psychologist and trauma expert Daniel Rinaldi helped unravel a baffling murder, he finds himself drawn into another case. When a daring bank robbery goes horribly wrong, resulting in the deaths of all the hostages except one, Rinaldi is called in to question Treva Williams, the traumatized young woman who survived. However, what seemed a simple robbery soon explodes into a series of events that plunge the investigating officers, Sgt. Harry Polk and Det. Eleanor Lowreyas well as Rinaldi himself into a vortex of mistaken identity and kidnapping.