When a group of friends rent a converted farmhouse in the Yorkshire Dales, they have little idea that this one weekend may change the course of their lives forever. While out on a walk, a storm descends and the friends take shelter in the mouth of an old lead mine. Inside, they discover a backpack filled with more money than theyve ever seen. Of course, they agree, they will hand the money to the police at the first opportunity. But as the storm continues and time passes, some of the party begin to think again