The true story on that little jaunt would ruin him.
5 seconds sound clip from the The Philadelphia Story movie soundboard.
You can hear this line at 01:07:14 in the Blu-ray version of the movie.
Quote context
[...]
- No mean Machiavelli is smiling, cynical Sidney Kidd.
- The world's his oyster with an 'R' in every month.
- Hey, that's not bad. When did I say that?
- I suppose you never heard about Kidd's little arrangement in Kansas City?
- No.
- The true story on that little jaunt would ruin him.
- Look, what would happen to you if I used this stuff?
- Why?
- Well, I might want to, very much.
- You see, Kidd is holding a dirty piece on Tracy's father. This might stop him.
- Oh. Oh, so that's how Kidd got you to... That's how Liz and I were gotten in.
- Blackmail, huh? We all rode into this thing on a filthy blackmail.
- Well, look, you use it. Use it with my blessings. I'm cooked. I'm through anyway.
[...]