Five years ago, Grandma suddenly runs away from home, to go search for a broader world to build her new life. Five years later, the family unexpectedly receives news of Grandma, and Dou Qi, her granddaughter, and her twin sister, embark on a journey to look for her. As they search, they listen to the stories of Grandma and realize what she has gone through. These stories made them realize the deeply buried energy of their grandmother, leaving them in amazement sometimes, and contemplation in other times. It also allowed them to explore their own hearts and reconnect with themselves. As they walked stop after stop, their puzzle about Grandma became more and more complete....