Nine-year-old Lin Xiaoyu's heart was closed due to traumatic aphasia, until she found the stardust compass left by her grandmother in the attic. When the moonlight shines into the window sill, the compass suddenly transforms into the messenger Rabbit Maomao wearing a copper bell collar - it comes from the Stardust Post Office in the gap between the universe and specializes in collecting the unspoken thoughts of human beings. In order to help their critically ill neighbor's grandfather convey the confession he missed when he was young, Xiao Yu and Mao Mao embark on an adventure to collect seven kinds of sound tokens: the aurora conch crystallized by tears, the ice edges frozen by whale songs, and the rust fragments of ancient bells shaken by thunder... On the way, they are blocked by the Shadow Whisperer who steals emotions. Xiao Yu discovers that only speaking actively can activate Mao Mao's shadow-dispelling bell. When grandpa held the 60-year-old Starry Sky Letter and burst into tears, Xiaoyu's throat suddenly vibrated: "I... I'm not afraid anymore!"! "The story ends when the Moonlight Post Office rises into the sky and turns into a constellation. The copper bell on Xiaoyu's desk sways gently, and stars and sand twinkle on the windowsill.
Concept: Trauma healing = Courage to express × Emotional connection, the silent can also become stars that light up others