Documentary-style sci-fi feature. In 2031, ten years after aliens first invaded the Earth, a film crew follows an elite infantry unit as they try to repel the invaders' daily attacks. After the world's armies are united with the formation of the United Defence Force, soldiers have managed to reduce the number of murderous extraterrestrials and patrol them from the remote Outpost 37. But unbeknown to them, the aliens are planning a second invasion and the team stationed at the outpost are about to find themselves massively outnumbered and outgunned when their foes' reinforcements arrive...