The reason why they said, "You will marry the President's daughter"

They say a legendary psychopath in Busan is going to marry the President's daughter.
It makes me wonder why I would have to marry someone I don't know and whose face I haven't even seen.
The reason I am saying this is...!!!
While I was working out at a gym, a woman said, "You will marry the President's daughter."
I saw and heard it with my own eyes.
So, during the investigation, I thought, "Would someone really do something like this by using the President's daughter as leverage?"
What I mean is, there was a case where a police officer at a Busan police precinct was conducting an investigation, got stabbed in the neck, and was brought in, but his fellow officers completely ignored him, so he exposed it to the media out of frustration, right?
If you sell out the President or the President's daughter during an investigation, that's really what happens. I thought to myself, "Is he filming a scene from the movie 'The Unjust'?"
But the President's daughter is already married, isn't she? Is she marrying the President's cousin?
It is questionable.^^ If that were true, then only the President's daughter has seen a real person.
This is false hope. Does this mean I'll get to see First Lady Kim Jung-sook? This is false hope.