In 1953, Army scientist Frank Olson takes a fatal plunge from a hotel window. In 1975, a bombshell report ties his death to a top-secret experiment.

This six-part series explores the limits of our knowledge about the past and the lengths we'll go in our search for the truth. A family story of one man's sixty-year quest to identify the circumstances of his father's mysterious death. A quest which brings him face-to-face with some of the darkest secrets of the United States.—Official Synopsis