Yasutake Shingo is a newspaper reporter whose only redeeming feature is his earnestness. He meets Matsunaga Chie, who attends a music college, and they start dating. Each day becomes all the more bright and enjoyable for Shingo because of the lively Chie. She loves to laugh, sing and eat. After one and a half years, Chie is employed as a music teacher. One day, Shingo is informed that Chie has breast cancer. After thinking about it, he decides to share a lifetime with her and proposes. His proposal gives her the courage to undergo surgery which she had been mulling over. One day, Chie starts to teach 5-year-old Hana the “important things in life” such as laundry, cleaning and cooking. She thinks that even if she is no longer around, her daughter and husband will be able to live.
Troubled high school student Makoto arrives in Tokyo to exact revenge from a past incident. He then falls in love at first sight with Ai, a daughter raised in a wholesome family. Around Makoto and Ai are Iwashimizu, who has feelings for Ai and Gamuko, a gang member who eyes Makoto.
The film is based on the true story of Yoichi Hatta (1886-1942), a civil engineer who traveled to Japanese-ruled Taiwan in 1910 to build a complex irrigation system in the barren southwest. Hatta manages to overcome the initial doubts of local farmers, but a tragic tunnel accident eventually halts the project and shakes his confidence.
While researching a story on a school for problem children, Nakahara meets Emi, a college volunteer with a compelling tale of her own. After overcoming her initial reluctance to open up to the writer, Emi talks about her busted leg and her childhood friendship with the chronically ill Yuka.
Making her way through life by forming superficial relationships, Yoko keeps everyone at arm's length, whether it's her father and stepmother or Hajime, the owner of a small bookstore who could be the father of her unborn child. Yoko seems most at home when she's riding the train, speeding around the city with only her thoughts to entertain her.
