Abandon (2002) on Netflix

Detective Wade Handler is assigned to investigate the disappearance of the millionaire Embry Larkin, who vanished two years ago. Wade looks for Embry's former girlfriend, Katie Burke, in the campus of their university. Katie is under pressure, completing her thesis, disputing a job in a reputable and prestigious company and having sessions with her psychiatric, Dr. David Schaffer. Katie misses Embry, since she has no family, but she feels a great attraction for Detective Wade. During the investigation, Embry returns without any explanation and her colleague Harrison Hobart that has a crush on her disappears. Katie believes that Embry is the responsible and tells to Wade. But nobody can find Embry.