Produced and directed by Johnnie To and Wai Ka Fai, the film stars Takeshi Kaneshiro and Gigi Leung. The story is based on the book A Chance of Sunshine by Jimmy Liao, who makes a cameo appearance in the film. It is also the first Chinese-language Asian film ever from Warner Bros.
The original graphic novel is now sold under the name "Turn left, turn right" and consists of a series of
