 Captain Jeff MacDonald, a renowned and an ambitious surgeon at Fort Bragg army base, appears to be a happily married father of two. When the MP enter MacDonald s house in response to his desperate emergency call they find him injured and his wife and daughters murdered. He reports a gang of drugged  hippies  raided the house and attacked the family. As a massive search for the suspects yields no leads, investigators focus on some inconsistencies in MacDonald s account and he becomes their prime suspect.