A noise complaint turns into a murder investigation for Florida police after they discover a man has been fatally shot in his home. Years pass before an unexpected confession will expose a murder-for-hire plot fueled by betrayal and greed.

A North Dakota man dies in the hospital from an apparent heatstroke. When the coroner discovers the cause of death was poisoning, authorities launch a criminal investigation that leads them to a calculating killer with a multi-million-dollar motive.