day of the dead (1985)

aka George A. Romero's Day of the Dead. Another few years on from the last film and society has fully broken down, with zombies roaming the land. One group that has survived exist on a military base of mainly scientists and military personnel, safe in a underground bunker in Florida. The scientists experiment on the undead, searching for a cure, much to the annoyance of the army. This conflict getting more and more serious as the claustrophobia and stress builds tensions between the two factions. The film really gives you a feeling for the tensions that would run so high in such a situation and the improved special effects add another level to the zombies. But even though the previous two ended in depressing circumstances, this one is unrelentingly depressing from the off and makes for an effective, but less entertaining film.