中年的高宫利一辞掉了在东京压抑的工作，回到老家新泻做一名长途通宵巴士司机，开始全新的生活。一天晚上，他刚要发车的时候，十六年前跟他离婚的前妻加贺美雪上了车。他后来了解到，她在东京组建了新的家庭，这次回来是要去看独自住在新泻的生病的父亲。但是他看出了她的疲惫。高宫利一和加贺美雪有两个孩子。而他自己也在考虑与在东京开餐馆的女友古井志穗结婚。不过这次偶遇让他开始重新思考自己的人生。同时，他的儿子和女儿也在经历着人生中的转折点。Riichi has moved back to Niigata after living in Tokyo and works as a inter-city bus driver at night. His ex-wife of many years ago is one of his passengers one night. She has remarried and Riichi has been pondering proposing to his current girlfriend. Riichi's son and daughter are in transition as well.