Nightmare Street (1998)

After saving her daughter from an accident Joanna wakes up in the hospital in an alternate world where nothing is as it should be. Someone else lives in her house, her daughter is gone and everyone calls her Sarah. The problem is Sarah is suspected of murdering her son. The only person to believe her is her doctor who has fallen for her. With his help she tries to unravel the mystery and get back to her own life.