Chaos (2007)

A man gets involved in a kidnapping scheme with the wife of a wealthy businessman She lets herself be tied up and confined in his house while he sends the ransom demand When he returns home that night however he finds her laying dead on the floor In a panic he buries her body deep in the woods and tries to return to his ordinary life One day he thinks he spots her walking down the street Is his mind playing tricks on him or has she somehow returned from the grave