Yoko leads an ordinary but happy married life with her husband whom she met at her previous workplace.Although modest, the two of them set up a new home and were enthusiastic about living in the new world.The two of them went to greet the residents of the upper floor.The person who peeked through the open door with a foul odor was Kamata, who had run away from his wife and now lives as a widower.The couple's happy daily life is turned into a nightmare by one lonely strong demonic hand.