'Pathfinder' tells the story of the accountant Frank, whose life is dictated by his monotone work and lonely evenings. His girlfriend left him and his friends don't understand him. But before the daily routine destroys him, he decides to take matters into his own hands and escapes. Can Susanne, the young hitchhiker he meets on his way, help him? And what exactly is he escaping from? Until Frank realizes, that only he can change his life, a long path with many detours needs to be explored.