The Public Eye

Mia Farrow stars as Belinda in this 1972 British comedy-drama film directed by Carol Reed, alongside Chaim Topol and Michael Jayston. The story follows Charles, a successful businessman who hires a private detective to follow his free-spirited American wife, whom he suspects is cheating on him, but the game of cat and mouse takes an unexpected turn as Belinda becomes aware she's being followed and joins in the elaborate charade.