Chiharu and Koji have bought the home of their dreams, but have been cheated out of it by an unscrupulous builder. In order to earn money for their new move, Chiharu has been getting more and more into pachinko. One day, however, Kaneko, a neighbor, offers to teach Chiharu how to play pachinko. She is an obtuse woman who is known as "Mrs. Caretaker"...