In the beginning of December, Kyoko Amamiya, who works for a post office in Tokyo, meets a popular comic writer Kyoko Anzai for the first time. It is a week after the death of her boyfriend Yoshiro. They find out that they both were seeing this same man. Yoshiro left a video tape he took in his hometown in Hokkaido. "Kyoko, I want to bring you here on Christmas Eve. There is something I want to show you", was Yoshiro's message. Which Kyoko did he mean, and what did he want her to see? To find out the truth, the two Kyokos head for Hokkaido....