Shutter (2004)

The horror begins when Thun (Ananda Everingham), a young photographer and his girlfriend, Jane (Natthaweeranuch Thongmee) accidentally crash into a woman by the street while driving a car. They decide to leave the dead woman and drive away. Later, Thun discovers an unexplained event when he finds a mysterious shadow appears on his photo. He thinks that's just a bad picture, but then he realizes there's something more behind the shadow -- the shadow shows as the shape of the face that's familiar to the dead woman. Now, the couple gradually find out a terrible connection between the shadow and the photo.