The Count of Monte Cristo (1964)

A TV adaptation of the classic Alexandre Dumas novel. Edmond Dantes is falsely accused by those jealous of his good fortune, and is sentenced to spend the rest of his life in the notorious island prison, Chateau d'If. While imprisoned, he meets the Abbé Faria, a fellow prisoner whom everyone believes to be mad. The Abbé tells Edmond of a fantastic treasure hidden away on a tiny island, that only he knows the location of. After many years in prison, the old Abbé dies, and Edmond escapes disguised as the dead body. Now free, Edmond must find the treasure the Abbé told him of, so he can use the new-found wealth to exact revenge on those who have wronged him.