Molokai: The Story of Father Damien

In 1872, Damien, a young Catholic priest serving as a missionary near Hawaii, volunteers to spend three months working in a colony for victims of leprosy on the island of Molokai. When he arrives, he discovers the lepers have been herded to a barely inhabitable part of the island where they're treated like animals. Damien is shocked, and makes it his crusade to improve the lives of the lepers.