Your bag will be stolen near the start of the game, in a street just passed the fountain. You will lose them in the cutscene. If you had less than $50 at the time it is stolen, you will get
Now you have to track down the bag. I did this by continuing through to the next area Queen street and when I reached the end, I went back a cutscene occurred where I asked for help and someone on a motorbike turned up telling me to look at Pidgeon Park. That is the area with the fountain.
I made a save before going into the fountain area and when I did, I got a cutscene where I started chasing Wong. The QTEs consists of directions and X to jump stuff. Be ready for them, you can fail a few and still catch Wong. If you fail, go into the menu (
) and select Exit in the Options section, then load your save to try again.