U.S Postal Inspectors are called in when a  suburban couple are killed by a mail bomb. Suspicion immediately falls on the couple's  estranged and heavily in debt son, who  also just happens to be a Navy munitions  expert. But investigations reveal that he is  on the run from a past event in his life that is associated with the bombings.

U.S Postal Inspectors are called in when a  suburban couple are killed by a mail bomb. Suspicion immediately falls on the couple's  estranged and heavily in debt son, who  also just happens to be a Navy munitions  expert. But investigations reveal that he is  on the run from a past event in his life that is associated with the bombings.