What I know (2007)

Driving back from costume party a young couple encounters a clown sitting in the middle of the forested road. Tom (Janusz Madej) isn't keen on getting out of the car to see if the clown is alright. Simone (Tara Cummings) decides to get out of the car and investigate. This clown happens to be psychopathic killer who murders her. Tom is paralyzed with fear and stays in the car. However he will have his vengeance.