When office worker Nam-woo receives a package from childhood friend Jun-ho it transports him back to their last summer together. Back to their hometown in a small fishing village in the last few days before Jun-ho left for boarding school in Seoul. When a marble and an abandoned lighthouse had the power to transport him to a fantastic world where a mysterious flying girl named Mari lived. (Source: ANN)

The film won the 2002 Annecy International Animated Film Festival for Best Feature Film.