Thanks to ylin for the translated update from various reports ^^
August 22, 2007
Lee Byung Hun arrived in Hong Kong secretly for a new movie

At around 8.00pm on 20 Aug, Lee Byung Hun left the hotel, wearing a three-quarter pants and slippers for dinner at a Korean restaurant in Causeway Bay with his assistant and others. He has arrived in Hong Kong a few days earlier.
As it was the prime time for dinner, BH has to join the long queue outside the restaurant just like any other ordinary people although his is a top actor in Korea. BH has kept his head down all the time while in the queue and was not even noticed by people around him when reports when up to take photos of him.
At around 9.30pm, he waved to reporters after having his meal with a contended smile on his face. He later headed back to the hotel with take-away from the restaurant and two bags of goodies after shopping at Gucci.
Reporters tracked Lee Byung Hun at the Old Kai Tak airport filming him new movie yesterday (21 Aug), although he managed to successful arrived in Hong Kong secretly earlier on.
Lee is here to film French-Vietnamese director, Tran Anh Hung's new movie, "I Come with the Rain". It was said that Lee is not the lead actor, but plays as the chief of the Hong Kong underground society.
At around 4pm, Daniel Wu visited the filming site with fruit juices and Chinese herbal tea for the whole team. Daniel, Shawn Yue and Josh Hartnett got together to chat in English during a break and when Lee saw Daniel, he immediately when up to offer a friendly handshake and said hello. Filming stopped at 6.15pm as it started to rain at 6.00pm.
Lee's assistant stopped at a convenience store at Wan Chai to buy some things when Lee was on his way back to Grand Hyatt Hotel. During which, Lee noticed there were reporters around, he smiled and waved at them, showing a very friendly attitude. No wonder he is the idol of many female fans.
Thanks to ylin & ping-bhjwlove for the wonderful sharing

Here's an VOD on the gist of BH's happenings in HK
VOD- Lee Byung Hun in HK to film ICWTR
source: oriental daily