They say giving opens doors. And one grandma knows that well. 80-year-old Hiroko Sogo makes picture cards with simple, warm illustrations and thoughtful messages. When people find a card they like, she gives it away, bringing smiles to their faces and cheering herself up. Her creations have touched the hearts of people in her town and across Japan. It's the story of authentic exchanges between a gentle grandma and people inspired by her illustrations and words.