Rescuers try to reach plane crash victims that are trapped on an isolated Mexican island populated by mutant baboons. Ron Perlman stars as a troubled guide hired to lead the mission. Rescuers try to reach plane crash victims that are trapped on an isolated Mexican island populated by mutant baboons. Ron Perlman stars as a troubled guide hired to lead the mission. Rescuers try to reach plane crash victims that are trapped on an isolated Mexican island populated by mutant baboons. Ron Perlman stars as a troubled guide hired to lead the mission. Rescuers try to reach plane crash victims that are trapped on an isolated Mexican island populated by mutant baboons. Ron Perlman stars as a troubled guide hired to lead the mission.