The tourist Helena (Marián Araújo) and her mate Martin (David Ryan) are traveling by car through the County of Leitrim, Ireland, when Martin hits a man. He brings the body to his car, and the corpse returns to live and bites him. Helena looks for help in a cottage and is attacked inclusive by Martin. Sooner she realizes that the place is infested of zombies. She meets the gravedigger Desmond (David Muyllaert) and they cross the countryside trying to find a safe place. They meet another couple and they become aware that the mad cow disease has infected humans transforming them in living dead.