In 2049, the only remaining data center "Black Box" on the planet rendered uninhabitable by climate disaster. The recorder who resides in "Black Box" accidentally brings out the documentary made by 2023 musicians... The last record on earth left with music on the fast-destroying earth, "The Black Box on Earth"!

It tells a story based on the worldview of the ancient Chinese strange book Shan Hai Jing, showing the bond that transcends time between the two male protagonists, Xiaoyu and his master Tianyi.

A story about two urban boys, who spend a summer at the romantic Kis-Balaton side with an old field keeper, and gradually change their point of view about their civilized life, and fall in love with the nature.