After suffering through a long and unsuccessful series of fertility treatments, Satoko and her husband Kiyokazu make the decision to adopt a child. Six years after adopting a boy they named Asato, Satoko has quit her job to concentrate fully on her husband and son. The family lives a peaceful existence until the arrival of a stranger. (Sinopsis dialihkan otomatis ke Bahasa Inggris karena belum tersedia dalam Bahasa Indonesia)