When brash Texas border officer Mike Norton wrongfully kills and buries the friend and ranch hand of Pete Perkins, the latter is reminded of a promise he made to bury his friend, Melquiades Estrada, in his Mexican home town. He kidnaps Norton and exhumes Estrada's corpse, and the odd caravan sets out on horseback for Mexico.

A supernatural tale set on death row in a Southern prison, where gentle giant John Coffey possesses the mysterious power to heal people's ailments. When the cell block's head guard, Paul Edgecomb, recognizes Coffey's miraculous gift, he tries desperately to help stave off the condemned man's execution.