Hearing that a former college classmate has jumped into the frigid winter sea in an apparent suicide attempt, Jinko (Aoi Miyazaki) and Motoko (Sakura Ando) decide to visit her, for the first time in six years.They borrow an old car from Motoko?s understanding former husband (Masanobu Ando) and enlist Haraki (Shiori Kutsuna), a younger woman Jinko befriended in unusual circumstances, as a driver. They journey to the snow-covered north and find their friend, Miki (Kazue Fukiishi), recuperating in a hospital