Rule No. 1

Ruleis a 2008 Hong Kong horror film directed by Kelvin Tong and starring Shawn Yue, Ekin Cheng, Stephanie Che and Fiona Xie.

Unlike the heroic duty of fighting crime and protecting citizens, the Miscellaneous Affairs deals with unusual cases, which is intriguing and makes people feel lost. The head of the Miscellaneous Affairs, Inspector Wong Yiufai Ekin Cheng, is an eccentric and beerguzzling man. Wong and Lee work together for the Miscellaneous Affairs to solve an unusual request to eliminate the fear of every citizen seeking help. While carrying out their duties, Wong pretentiously tells Lee the first commandment of the Miscellaneous Affairs There are no ghost in this world In fact, this first commandment is just a lie. The primary task for the Miscellaneous Affairs of dealing unusual cases is to conceal supernatural incidents to the community to reduce social panic.Just when Wong and Lee take over the Saint Austina High School Massacre case, the ghost of Chan Fukloi possess into the body of Lees wife, May Fiona Xie, while Lee was also possessed later. The possessed Lee shoots and kills Wong and other colleagues and then makes up his own story to deceive the police. ........

Source: Wikipedia