The tree house lands in Wild West America but there`s no one around. Has it landed in a ghost town?
When a gang of nasty horse thieves gallop past, it`s not long before Jack and Annie are swept up in another adventure. With their new cowboy friend, Slim, they set out across the prairie to rescue Slim`s mare from the horse thieves. But Jack and Annie still have their next riddle to solve. Will the spooky ghost be any help?