Shirakawa Rou is relocated with his twin sister Haruna to their deceased mother's relatives' home in the countryside after she dies in a car accident. At 15 years old, they are left as orphans and must adapt to an unfamiliar environment. Although Rou was set to fulfill his mother's dream of winning an Olympic medal, her sudden death on the day before the event leaves him devastated and unable to pursue his goal. In Tomakomai, Rou discovers a new passion for ice hockey and rediscovers focus in his life.