Mario, a keen birdwatcher, but unable to drive, offers to pay a man he just meet to drive him from Valencia to Romania. Neither of them is aware of the other's story, but a new and definitive journey starts for both of them.。以野村宗弘的漫画《海蕴》为原作的本作品的舞台是社宅的阳台。因丈夫工作的关系从广岛来到东京的主妇中山麻衣子,每天都在等待因工作而忙碌的丈夫的晚归。在这种情况下,和麻衣子住在隔壁房间的丈夫的上司·二叶一,在隔着一堵墙的阳台上反复对话,缩短了距离。。