Zoo-young and her contrabass are wandering in space after leaving their planet due to a food shortage. Meanwhile, Earth is overflowing with plastic, their staple food, and Pu-reum lives there. Pu-reum's song guides Zoo-young and the contrabass back to Earth, and after a long journey toward each other, they finally meet.

Ce synopsis est en anglais : nous ne l'avons pas encore traduit.