Watch Stop Thief Full Movie Free Online 123Movies. When Jack Dougan and Snatcher Nell, partners in crime as well as love, decide to purloin the gifts at the wedding of Madge Carr to James Cluney, Nell poses as a maid to gain entrance to the household. Soon after, articles begin to disappear and Madge's father, a kleptomaniac, begins to feel guilty, while the groom almost suspects himself.