Betrayals. Secrets. Tragedy. It started as a day like any other for Alex Mercer. Then he heard the news. Something that only happens in other places is happening in his hometown. Just a few miles away at his daughter's middle school, a shooter is on the loose. Alex does what every other parent in town does-he races to the school to find out if his loved ones are safe. His world falls apart around him, and he can't turn...