Robert Striker a retired ex-military man, whom in the middle of questioning his life, is approached by Margaret Peterson a beautiful, intelligent woman. Worried and frightened, she asked him to help solve the mystery of an ominous letter from her missing sister and a threatening phone call from a mysterious man. During his investigation Robert uncovers a conspiracy by desperate men trying to retrieve a black box that was stolen from their boss. As a romance blossoms between the two, the box and its contents will put both Robert and Margarets lifes in jeopardy and cost many others their lives. The one, who ends up with and reveals the contents of the black box, will be shocked at what they find.