Land of the Dead (2005)

In a post-apocalyptic world, a walled city is home to the last remaining humans, who must protect themselves from flesh-eating zombies. As the zombies begin to show signs of increased intelligence, a group of humans venture out to gather supplies. One member of the group plans to retire in a wealthy community called Fiddler's Green, but when his request is denied, he plots to hold the city hostage. Meanwhile, a group of zombies led by a zombie named Big Daddy move towards Fiddler's Green, seeking revenge for their suffering.