When a retired cop is found shot to death on a subway train in Brooklyn, detectives soon discover that his death is linked to two other shootings in the previous thirteen hours. With the victims seemingly chosen at random, police worry that any New Yorker could become the next target. The pressure is on to track down the suspects before they strike again.

When the body of a young woman is found hidden in tall reeds in a quiet park blocks from her home, fear grips her Queens neighborhood. After months of ceaseless investigation, a clue from the past leads NYPD detectives to an unexpected killer.