Ami, a backpacker from Japan who is four years older than high school student Jimmy, shows up at his part-time job. The two end up spending the summer working at the same store, but Jimmy gradually develops a faint crush on Ami. The two of them grew closer as they rode motorcycles together at night and went to the movies, but suddenly, Ami decided to return to Japan. Ami proposes her "one promise" to Jimmy, who can't sort out his feelings. As time passes, Jimmy visits his parents' house for the first time in a while and finds a postcard that Ami sent him 18 years ago when she returned to Japan. Jimmy's memories of his first love come back to him, and he takes his first solo trip to Japan to confront his past and examine his present. Jimmy rides the train while listening to songs that remind him of his memories with Ami, and he heads to her hometown. Will Jimmy be able to reunite with Ami?
On a spring day Munakata Ikujou visited an old temple to view a 1000 years old sakura tree. There Ikujou discovered a 3-year-old girl and adopted her as his own daughter. 16 years later, Sakurako has grown up to become a beautiful woman. Sakurako then has a fateful meeting with Takanashi Hiroto. Their pure love begin.
A woman travels to Nagoya to meet her boyfriend who works there. She is disheartened to learn that he is seeing a new girl. However, she decides to stay a few more days, in a guesthouse at a dead end. She starts again in an unfamiliar place, meets new people and slowly her wounds begin to heal and she learns to move on.
In nineteenth century China, two girls named Snow Flower and Lily are forever bonded together as sworn sisters. They are paired as laotong by a matchmaker who is also responsible for arranging their marriages. They are isolated by their families and communicate by writing in a secret sisterly language, Nü shu (a historical practice in China in that period) on a unique Chinese fan that Snow Flower possesses. In the present day Shanghai, their descendants Sophia Liao and Nina Wei struggle with the intimacy of their own pure and intense childhood friendship. As teenagers, Sophia and Nina were introduced to the idea of laotong, and they signed a traditional laotong contract on the cover of Canto-pop Faye Wong's album Fu Zao (Restless in English). Eventually they are separated but come together again when Sophia falls into a coma after being struck by a taxi while cycling. Reunited at long last, they must come to understand the story of the strong and close ancestral connection hidden from them in the folds of the antique white silk fan or lose one another forever in the process.
