The Victim (2006 film)

The Victim Thai or Phii khon pen is a 2006 Thai horrorthriller film written and directed by Monthon Arayangkoon. The film stars Pitchannart Sakakorn as a struggling young actress who takes a job working for the police department, reenacting crime scenes, but starts to have frightening experiences when she takes on the role of a murdered beauty queen.

Ting takes a liking to her job, and is so convincing that even the criminals are moved to remorseful tears. Her popularity soaring, Ting is signed to play the lead in a film based on one of her truecrime reenactments the murder of Meen, a former Miss Thailand whose husband, Dr. Charun, is accused of the crime. Ting then starts experiencing some scary visions that lead her believe that Meens longtime friend, Fai, is responsible.Then it is revealed that the events were actually entirely a film about Meens murder, and Ting is merely a character being played by another actress named May. But while on the set filming the movie, in real life May was really possessed by a spirit that is very obsessed by her. ........

Source: Wikipedia