This movie is, in my personal opinion, extremely good. Although I have to admit that the switching from present to past and back again can be confusing if you aren't concentrating on the movie. Like all Jacky Chan movies, they all have their individual delights and highlight. This one is not any different. I find the storyline of this movie quite good and the actors + actresses all did a very good job bringing this movie to life.

I would say watch it, if you find the synopsis and trailer intriguing / interesting. Rewatch also depends on your individual opinion of the movie after you are done. For me, I have watched it twice so far. I especially love the duet theme song. Beautifully sung!