in Streaming ITA. Nai Nai follows the story of a Chinese immigrant grandmother, Chu-Ming Wu. Known as “Nai Nai,” Chu-Ming has always been a woman of control. But her grasp of reality and the control of her own mind is slipping away. Told through the lens of her grandson, the film focuses on the joyful, heartbreaking and intimate moments in the last chapters of her life.