Grandma Zhao Yanhong, whose mental state is "30 years ahead of her age," refuses to admit defeat, is fearless, and loves to cause trouble! After meeting the genius but ultimately useless Wu Youwei, who "would rather lie down than sit," she becomes involved with the Rubik's Cube, and together with her mentor, best friend, and family, stumbles and bravely ventures into the "Rubik's Cube world"! What kind of magic will she achieve after picking up a Rubik's Cube at 70? What bizarre opponents and chaotic unexpected events will she encounter...?