The Collector (1965) -

Check your local library or classic cinema streaming services like Criterion Channel or Pluto TV.

Long before the term was popularized, Samantha Eggar’s Miranda is a powerhouse. She is resourceful, manipulative, and desperate, making the cat-and-mouse game feel like a genuine battle of wits rather than a one-sided victimization. The Collector (1965)

This isn’t a slasher flick. The horror comes from the polite, almost clinical way Freddie treats Miranda. He doesn't want to hurt her; he wants to own her, believing that if he provides a nice enough "cage," she will eventually love him. Check your local library or classic cinema streaming