마츠모토(니시지마 히데토시)는 부모의 강권에 못 이겨 사장 딸과 정략 결혼을 하려 한다. 마츠모토와 오랜 연인인 사와코(칸노 미호)가 실연의 아픔을 이기지 못하고 정신이 이상해지자 이 소식을 전해 들은 마츠모토는 결혼식장을 박차고 나온다. 마츠모토는 실성한 사와코와 자신의 몸을 끈으로 연결한 후 길을 떠난다. 마츠모토와 사와코는 정처 없는 여행 도중 자신들의 처지와 비슷한 커플들을 스쳐 지나가게 된다. 젊은 시절 성공을 위해 사랑을 버린 야쿠자 보스 히로(미하시 타츠야)는 40년이 지난 후 약속을 지키고, 교통사고로 재기 불능의 상태에 놓인 아이돌 스타 하루나(후카다 교코)는 팬으로서 자신을 연모해 스스로 장님이 된 남자 누쿠이(다케시게 츠토무)를 받아들인다.
Set in Sapporo during the oil crisis of the early '70s, the film centers on the Hokkaitei soba stand run by a stoic patriarch and his perky wife. One New Year's day, a haggard-looking mother and her two adorable moppets poke their heads into the restaurant and ask for a single bowl of kakesoba. Noticing that the trio is looking a little low in the heels, she puts in an extra scoop of noodles. The youngest boy declares that the soba is delicious. The next year, the same threesome appears again asking for one bowl of kakesoba. This time the old man dumps in two helpings. He is struck by how much the youngest looks like their own son who was hit by a truck three years previous. The following year, the three return and this time the mother tells her story...
Reportage writer Kenzo has made an interview appointment with Morishima, the mastermind behind the political and business world. On that day, Morishima is killed and a 200 million yen diamond is stolen. The diamond was brought by jeweler Kuhara to sell to Morishima. A woman named Maki who was present and disappeared immediately after the incident is suspicious. However, the site is a completely closed room. Kenzo's older brother, Matsushita, the chief of the investigation section, also shook his head...
