I would come upon her wandering in the corridors at night.
6 seconds sound clip from the The Pit and the Pendulum (1961) movie soundboard.
You can hear this line at 00:22:17 in the Blu-ray version of the movie.
Quote context
[...]
- We dined, sometimes alone, enjoying intimate conversation, sometimes with the doctor.
- And every night, Elizabeth would play for me.
- Life was simple, quiet, richly pleasurable, and then the darkness began to fall.
- I would come upon her wandering in the corridors at night.
- Oh, God, help me for my blindness. I should have known.
- And then, one day, she disappeared. Frantic, I... I searched the castle for her.
- And then I knew... the castle and its awful history had obsessed her.
[...]