The Third Secret

Charles Crichton directs this 1960s mystery drama starring Stephen Boyd as a reporter investigating the death of a renowned psychiatrist. Dr. Leo Whitset (Peter Copley)'s death is classed as suicide but his teenage daughter, Catherine (Pamela Franklin), and one of his patients, Alex Steadman (Boyd), believe he was killed.

As Alex searches for clues he learns that the doctor knew secrets about some of his other clients which may have given one of them a motive for murder...