At Tokugawa Ieyasu's suggestion, everyone goes hawk hunting.  Hideyoshi is looking forward to her first meat in ages.  A bit after they begin, the hawk flies off into the forest after its prey... Everyone follows the hawk, but instead they find a grave and ghosts!  If they can't tell scary stories to satisfy the ghosts, they won't be able to leave...!?
Then you should try to 
conquer the land, Onee-sama.