Treeless Mountain (2008) - Synopsis

When their mother needs to leave in order to find their estranged father, six-year-old Jin and her younger sister, Bin, are left to live with their Big Aunt for the summer. With only a small piggy bank and their mother’s promise to return when it is full, the two young girls are forced to acclimate to changes in their family life. Counting the days, and the coins, the two bright-eyed young girls eagerly anticipate their mother’s homecoming. But when the bank fills up, and with their mother still not back, Big Aunt decides that she can no longer tend to the children.