Echo(2022)

In 1990, college student Ing, who accidently gets pregnant, returns to Lishan to spend the summer with her father. Ing notices the conflicts between her father and the farmers. She meets a young farmer Wen, and affection slowly grows between them. As summer ends, Ing leaves, and no one knows what the future will hold. To promote a new fertilizer, Ing's father gets a hot-air balloon, but hard as they try, it just can't fly.