The title Mimi refers to a secret in English. Everything with a secret is waiting for somebody to reveal it. A Chinese girl visits an antique store in America and finds an old Chinese traditional dress called Hanfu. A boy who works at the store finds her admiring the dress and suggests that she tries it on and shows it to his grandmother who originally owned the dress. When a secret is shared, the story keeps unfolding, no matter how long it has been frozen. Mimi is a story about a young girl connecting generations, cultures and old friendship through the Hanfu dress.