Following an unsuccessful excavation, a zealous archaeologist and her fieldwork-trained dog decide to follow the trail of one last scent, beginning a journey through mysterious underground structures in the British countryside; relics from the Iron Age and remnants of the mining industry.
Two mining surveyors roam a Welsh forest in search of an abandoned gold mine. As the tensions between them simmer, an unexpected radio signal from the underground lures them into the earth.
Six military musicians flee into a forest after an attack on their parade. In the chaos that follows, a wounded colleague is left for dead in the woods. Slowly, the unit disintegrates as each tries to escape from enemy territory and from each other.
