Set two years after after "Hotaru no Hikari" drama series, Hotaru Amemiya learns that her boss and now husband Seichi Takano has dreamed of vacationing in Rome, Italy like in the movie "Roman Holiday". Hotaru then makes plans to go to Rome for their honeymoon. Rome, Italy prepare ... Hotaru Amemiy and Seichi Takano are coming!
The drama is based on a true story of Yamaguchi Hayato (25), a young man who learns he has a rare illness known as CIDP, which affects the nervous system. He begins to lose the functioning of his limbs, but he is determined to fight the illness with the support of his wife and his 2-year-old daughter, Myu-chan.
Su protagonista, Yuuki, descubrirá en Australia los primeros síntomas de una enfermedad que resultará ser más grave de lo que todo el mundo había pensado. De vuelta a Japón, en el hospital, Yuuki descubrirá que no hay motivo para enfrentarse solo a la enfermedad.