Set in a Depression-era Louisiana prison, death row officer Paul Edgecomb oversees inmates, including John Coffey, a gentle giant with miraculous healing abilities. As supernatural events unfold, Paul grapples with justice, morality, and the cruelty of capital punishment. The film explores themes of compassion, guilt, and the human capacity for both evil and extraordinary kindness, emphasizing the emotional and ethical complexities of life, death, and justice.