Molly and Nainai have never been apart, but now Molly's grandmother must return to China because her visa is up. After trying to walk to the airport herself, and sending hearts through the mail, Molly video chats with Nainai, but things just aren't the same between them. It feels strange to see Nainai on the tablet -- Nainai looks small and sounds so far away. Molly misses her grandmother very much, and the space between them seems immense...