Wudi returns to hometown after career/love setbacks, disrupting family life. Forced cohabitation, he explores new paths. Meeting old classmate Feng Liuliu unexpectedly alters his trajectory amid rejections.

It is a world within our world, yet unseen by any human, and the beings here control time and tide and the changing of the seasons. On the day Chun turns sixteen, she is transformed into a dolphin to explore the human world. She is rescued from...