When dependable Evan Madison fails to show up for work, police are dispatched to his home. His ten-year-old son, Brad, is discovered inside, unharmed and seemingly alone. He is stoic, sitting in front of the television playing his favorite video game, Super Mario--and he's covered in blood. Veteran Police Officer Marty Keal is the first on the scene. With his many years of experience, he thinks he's seen it all. That is, until he discovers Brad's not really alone after all. Upstairs in their bedroom lies the brutally bludgeoned and deceased bodies of both Brad's mother and father. When...