A boy with the Knapsack (2006)

19-year-old Hyun-iee and Jin-sun got to take refuge from North Korea. Jin-sun is always troubled with her classmates and an owner of her part-time work place cheated her. She’s all alone at home. Her silence is made out of lack of communication with the world, which makes people think she’s deaf. Hyun-iee misses his hometown so much and buys a lot of gifts for his parents and stuff them in his knapsack just like his routine.

Unfortunately the movie A boy with the Knapsack is not yet available on HBO Max.