小女孩暑假结束就将离开乡村去城里读书，但在此之前发生了一场意外——陪伴女孩长大的狗意外死亡。其间另一只小白狗也闯进了她的世界，她该如何去选择，以及如何面对朋友的死亡以及要离开的现实? The little girl will leave the country to study in the city at the end of the summer, but before that, the dog that grew up with the girl dies unexpectedly. In the meantime, another little white dog also broke into her world. How should she choose and face the reality of her friend's death and departure?