The Four Diamonds (1995)

Christopher Millard was 14 years old when he died of cancer in 1972. Shortly before losing his battle, Chris wrote a story about a great knight named Sir Millard who sought out the four diamonds of Courage, Wisdom, Honesty and Strength in order to be released from the grips of an evil sorceress. These diamonds symbolized the attributes that Chris believed were necessary to overcome cancer.

Unfortunately the movie The Four Diamonds is not yet available on HBO Max.