Flower in the Pocket (2007)

Two boys, Li Ahh and Li Ohm, grow up motherless. Their father, Sui, is a workaholic who shuts himself out of the world. The boys' quest to reach out to their father leads them to adopt a puppy. But when the animal is sent away for being a nuisance, the boys are devastated. For the first time, Sui realizes that all his children ask is simply to love and be loved.