A group of teenagers, including Curt Reynolds and his girlfriend Julie Walker, sneak into a military base where Curt's father works. They witness a top-secret experiment to revive corpses for combat using Trioxin, but the project fails and the zombies become uncontrollable.
Return of the Living Dead III
A teenager, still reeling from the consequences of a top-secret experiment that revived the dead, turns to the same procedure to revive his girlfriend after she dies in a motorcycle crash.