Last Letter () is a 2018 romance film written, directed, edited, co-produced and co-scored by Japanese filmmaker Shunji Iwai, based on his own novel, and starring Zhou Xun, Qin Hao and Zhang Zifeng. A Chinese-Hong Kong-Japanese co-production, it was released on November 9, 2018. Iwai adapted the same novel into a Japanese film, also known as Last Letter, released in 2020.
The film tells the story of a Chinese woman named Yuan Zhihua (Zhou Xun), a key figure to resolving a conflict that has lasted three generations.
Yuan Zhihua represents her deceased older sister at a middle school reunion and meets her previous lover, Yi Chuan. This sparks a series of letters involving Zhihua, Yi Chuan, her older sister, and her daughter.