Possession (2009 film)

Possession is an American remake of the South Korean film Addicted. It is a psychological thriller film starring Sarah Michelle Gellar and Lee Pace.

Jess calls Ryan, worried about what the impulsive Roman will do, and Ryan quickly heads home in his car. As the brothers cross the Golden Gate Bridge, they crash into one another and are both seriously injured. Jess goes to the hospital and learns that both Roman and Ryan are in comas. Casey arrives and shares a few words with Jess, who promises to keep her updated. Later, Jess gets her mail and finds one of Ryans weekly handwritten love letters. After several weeks, Roman suddenly awakensbut he immediately claims to be Ryan, begging Jess to believe that he is her husband returned to her in his brothers body. He implies that something supernatural happened when their bodies were revived side by side on the road, but cannot explain the phenomenon. Jess is initially doubtful and hostile towards Roman, believing that he is disoriented from his head injuries, and she employs Caseys help in trying to get him to regain his memories.However, he maintains that he is Ryan, continually offering romantic gestures and recounting specific memories private to them. Eventually, after a year passes, once he accurately recalls the story behind a certain photograph of the two of them, she believes that he is truly her husband and they resume their romantic life. Despite the disapproval of Jess coworkers and a harsh reaction from Casey, who still believes that he is actually Roman, Jess and Ryan fall back into their former happy marriage, although Jess is still hesitant to turn off the machines keeping Ryans body alive. They are both soon thrilled by the news that Jess is pregnant. Casey goes missing, but when the police question them, Ryan merely says that she was troubled. Jess notices a discrepancy in a necklace that Ryan gave her before his accident, but brushes it aside until she discovers the original necklace hidden in a picture frame. ........

Source: Wikipedia