This is a poster for a really awful black comedy film called "Blind Detective." Notice the braille above the words on the left side. Obviously the designer of the poster did not know Braille, and didn't expect anyone looking at the poster to know it.
Here's what the letters would say if they were English:
But with Braille, turning a letter upside-down makes it into a different letter. So, read correctly, this is what the letters say: