In the midst of a sudden spring snowstorm, an unknown man armed with a gun walks into an elementary school classroom. Outside the school, the town of Broken Branch watches and waits. Officer Meg Barrett holds the responsibility for the town's children in her hands. Will Thwaite, reluctantly entrusted with the care of his two grandchildren by the daughter who left home years earlier, stands by helplessly and wonders if he has failed his child again....