At the Yokota Base in Japan, a nervous American military is on the brink of the Vietnam War.  But a greater threat exists within the walls of the heavily-guarded compound: Vampires.

A team of top-secret undercover agents learn of these blood-sucking fiends, and dispatch the mysterious Saya to hunt down and destroy them.

This beautiful yet dangerous vampire slayer must use her extraordinary abilities and lethal Japanese sword to save the humans from these sinister creatures of the night..