At his fiancée's urging, a very modern Irish groom-to-be reluctantly agrees to a stag weekend with his urbane friends, camping in the West of Ireland.
Much to their chagrin, these modern men are joined by the brother of the bride, a crazy, unpredictable alpha male, and an explosive Id to their collective Ego.
The Machine is a force of nature, and, under his wild leadership, up the side of a mountain, stripped of modern comforts (and finally, clothing) their journey becomes one of accepting their position as men, and of learning to speak the truth to each other about their feelings.
