In Queens, in the middle of a brightly lit street, a woman is savagely stabbed to death. The victim, Anna Grace, was a nurse devoted to helping others. But no one tries to help her on the last night of her life, even as she screams. Homicide cop Miranda Torres vows to bring the killer to justice. Then a series of mob hits in the city takes the case in an astonishing new direction. And when Miranda discovers why Anna was murdered, she must catch a killer who will soon hold her life in his hands.