Operation X (aka My Daughter Joy)

Edward G. Robinson stars as ruthless tycoon George Constantin, a man obsessed with power and control. His only weakness is his daughter (Peggy Cummins), whom he lavishly spoils with wealth and luxury while planning to marry her off for business gain-even as she falls in love with a journalist (Richard Greene) investigating his shadowy dealings. When a long-buried family secret is revealed, Constantin's carefully constructed empire begins to unravel.