Scotland, 1594: You're used to strange requests in your role as servant to John Napier. He's not just famous as a mathematician, but is also known for his occult skills and knowledge, still valued in these dangerous times. But the latest quest may be the toughest one yet, as you prepare to help him hunt for lost treasure in remote Fast Castle, home of the dangerous Logan of Restalrig. Will you find it? Or will you discover something else instead?