Near the Hudson River lies the village of Harley. Somewhere in this village, Henry A. Stauf, a famous toy maker, built his mysterious mansion. Stauf invited six guests to his newly completed mansion, but they soon discovered themselves locked inside. Now they have to find a way out, but all they find are puzzles in every room. Puzzles and ghosts, who taunt and tease. Only one person can solve these puzzles and find a way out. That person is you, the 7th Guest....