"The Little Prince on the Corner" is Taiwan's first "pet therapy movie". The most important role in the film, the cat protagonist "Little Prince" who is the go-between, is actually played by seven kittens in turn. Xiaojing (played by Guo Biting) from a single-parent family is a student of fine arts and a popular graphic artist who paints cat stories one by one on the Internet. But in real life, since her mother passed away, she has been living in her own closed heart. Ajun (played by Yang Youning) is a guitarist in a rock band. Although he seems sunny, there is always unspeakable melancholy in his music. Until one day when Xiaojing met a kitten named "Little Prince" and met this familiar rock musician, the fate of the two gradually changed. This creamy yellow kitten on the corner of the street strung together their love story and also revealed a mystery that has not been solved for more than ten years. The two gradually discovered that their fates had a strange connection more than ten years ago...