Unknown Threat

Cole 'Mac' MacKenna is a man in transition. He spent 20 years in the U.S. Air Force Special Operations Command - Pararescue.Now he's retired, a veteran relearning how to be a civilian. After two decades of action-packed missions, he returns to his hometown of Brookfield, California.Mac looked forward to a quiet life of home remodel and spending time with his sister and nieces… until a fellow pararescueman asked for help.Drugs have entered Blackstone Academy, a prestigious public school serving the rich. The Police Chief is counting on Mac to locate and eradicate the drug source.Mac is the school's first School Marshal.He's never been married, has no children, and has no idea how to work with kids. Soon enough, his former life of loaded weapons and death-defying rescues has been replaced by arrogant parents, apathetic students, self-serving politicians, and questionable employees.Everyone is a suspect…Mac has bigger problems than understanding how to work with children and finding a drug source. When a well-connected parent abuses one of his students, he springs into action like the good old days. Unfortunately for Mac, meddling with the rich can have deadly consequences.