Robert is driving with two friends to his hometown where his grandfather's mansion is. At a gas station, he unexpectedly meets his f ormer love Marlene. He invites her and her girlfriend to the mansion for a dinner-party. The small group enjoy the evening with drinks. Suddenly a man comes out of the forest - apparently he is infected with a bird-flu virus. But he is not the only one, more infected people approach the house. The friends barricaded against the dangerous force, but one of them is infected too...