Zephyr does not want to be left behind, but her mother has her reasons to leave... Can Zephyr's unyielding will stop her?

Zephyr, a strong-willed adolescent girl, spends her summer vacation with her grandparents in the mountains, waiting for her mother to come and take her back home. Her mother finally shows up, but only to say farewell before going far away places for a voluntary position. But Zephyr is determined that she will not let her mother ever leave her again.