Forgot the name of the movie

Guys, I watched a movie in the spring. And then, I started only in the middle because I turned on the TV late. I forgot the name but for some reason really want to revise it. I don't remember the name. I remember that the girl died in the story. I can't even say from what She was brought to the morgue, and when she was lying, a man began to talk to her. He told her that she was dead, but did not want to believe it. I don’t remember what happened next, but her boyfriend appeared, whom this man asked, what would he killed him because he was proving that his girlfriend was alive. At the end of the film, she, lying in a coffin underground, began to dig out from there, and at that time they were driving to the cemetery. In general, in the last seconds she could not escape and died finally and completely. Just at that moment, her boyfriend came and dug her up already dead. I would very much like to find the name ((