As the review of their movie ranked No. 1 during the National Day holidays, director Dante Lam was surprised but confident that the performance would be better and better. Eddie had a surprising look in one scene, but Dante said that part was removed due to the film length, though it could be found in the DVD.
To present the true historical situation, the two actors had to carry 30-kilos’ full equipment and run in front of the camera. Hanyu cried that it was so heavy that he couldn’t almost walk any longer.