It depicts the story of four characters—Keta, a young boy; Duko, a goldfish girl; Goro, a cat; and Sicily, a rabbit—who meet at Yushi Bookstore, accompany one another, and help heal the people who visit.

The series also incorporates imaginative time-travel elements, blending local Taiwanese culture and historical contexts.

It aims to bring “hope, courage, vitality, and dreams” to modern people who often feel anxious and uncertain about the future.