Carol Starkey, a Los Angeles bomb squad detective who suffered permanent scarring and watched her lover/partner die in a prior detonation, embarks on a dangerous investigation into explosions rocking the city that are designed specifically to kill bomb technicians.

There's no police training stronger than a cop's instinct. Faith Mitchell's mother isn't answering her phone. Her front door is open. There's a bloodstain above the knob. Her infant daughter is hidden in a shed behind the house. All that the Georgia Bureau of Investigations taught Faith Mitchell goes out the window when she charges into her mother's house, gun drawn. She sees a man dead in the laundry room. She sees a hostage situation in the bedroom....