Low-budget sequel to the original zombie horror 'Day of the Dead' (1985). In 1968, a Russian spy plane crashes, killing the pilot. When the authorities discover strange vials of liquid inside the plane, they take them to a local hospital. When the vials are accidentally broken, they spread a strange sickness that resurrects the dead. The situation is soon brought under control by a special forces team, but then 35 years later, when the hospital has become a mental home, a single surviving vial of the deadly poison is discovered.