Sana and Haruka were close friends. However, after Haruka fell into a depression due to workplace bullying, they lost all contact. Regretting that she could only stand by and watch, Sana eventually becomes the next target. The two are connected by a radio program that Haruka used to contribute postcard submissions to, along with matching clothes...

Christmas Eve. In Japan, it is a day for reaffirming the bonds between people. A short ensemble drama depicting the stories of several people living in the same city who are drawn together on Christmas Eve through cigarettes: Rui Hasegawa, waiting for her promise with her boyfriend to be fulfilled; Ken Nozaki, a burglar searching for someone on this holy night; Atsuya Uehara, a father who does not get along with his daughter; his daughter, the playful Nao Uehara; and Yoshito Kono, who is growing impatient as he tries to keep his promise to Rui.