Watch The Runaway Bride for Free: How to Stream the Movie Online at 123Movies. . Mary Gray elopes to Atlantic City, NJ, but begins having second thoughts about the marriage. Then she becomes inexplicably locked in her hotel room, and a series of cops, robbers and kidnappers passes through. Desperate, Mary trusts the shifty chambermaid Clara who whisks her away to the mansion of wealthy George Blaine. There, Mary must pretend to be a lowly cook, but that seems better than sticking with the guy she was engaged to.