Accident (2009 film)

Accident Chinese , originally titled Assassins Chinese , is a 2009 Hong Kong action thriller film directed by Soi Cheang, produced by Johnnie To and starring Louis Koo, and Richie Jen. Accident competed at the 66th Venice International Film Festival, and was released theatrically in Hong Kong onSeptember 2009.

In the opening scene, a man is killed in what appears to be an accident. However, it is revealed that the man was actually murdered, with the supposed accident actually orchestrated by a group of killers led by the Brain Louis Koo. The group specializes in killing their victims using elaborate schemes that mask the murders as if they were accidents. Uncle Stanley Fung, one of the team members, accidentally leaves a cigarette butt at the crime scene, and it is found by the Brain. After an argument, Uncle vows to quit smoking afterwards.The team then gets a job from a son that wants to kill his own father, likely for insurance money. They plan an accident to kill their target via electrocution, but the plan requires for it be to raining at a specific time. The team tries to execute their plan many times but fail due to the rain falling later than necessary. During one run, Uncle smokes a cigarette and begins to show signs of Alzheimers disease, forgetting that he made a vow to stop smoking. However, the rain falls on time, and the team decides to go forth with their plan. Uncle forgets to play his part in the murder, but the murder is successfully executed nonetheless. ........

Source: Wikipedia