After the NATO bombing of Yugoslavia in 1999, the Yugoslav army pulls out of Kosovo region, leaving Serbian people at the mercy of the Albanian UCK terrorists. A small band of soldiers must take over the Slatina airport, and hold it until the Russian peacekeepers arrive.

A small research team went down below the surface to find out what secret the world’s deepest borehole was hiding. What they have found turned out to be the greatest threat in history. And the future of humanity is in their hands.