An American reporter covering a civil war in Nicaragua discovers that four soldiers that he used to know during World War II are there and they are actual vampires fighting their own personal war against an evil Nicaraguan general and his own personal army of vampires terrorizing the country.

Rick Harding is a former Marines officer, now working in the FBI as a chemical weapons designer. While packing up for the night, a group of armed soldiers led by wanted criminal Carlos Gruber, break into the FBI research lab. They steal large amounts of a newly created germ warfare chemical called Bromax-360, loosing two of their men in the process before escaping into the night.

A CIA operative kills a terrorist during a prison break. When a group of terrorists attempts to recover a microchip implanted in the man's body, one of them is captured and convinced by the CIA to work for them as an informer.