Four men embark on a dangerous road to the desolate west and go deep into the dark caves just to save a group of innocent people imprisoned by cannibals.The yellow sand is everywhere, and the gunshots are not stopped, but their steps have not hesitated - not only for justice, but also for the lives struggling in fear.This is a battle between courage and wildness, and it is also a legend about redemption, loyalty and the abyss of human nature.