Cursed: Sheol (2011)

A young journalist named Jin Duyen is holding her own investigation of the murder case. With the police covering up details she ventures out to the scene of the crime and has a frightening encounter. Then, after returning home, she realizes that something has followed her, and she's somehow become "Cursed" due to her involvement. Meanwhile, the wife of Lieutenant Magnus, an investigator on the case, has been experiencing hauntings at work the last few weeks since the murder. She and her husband seek to find the cause before the creepy occurrences become lethal.