the score
n., slang The truth; the real story or information; what is really happening; the way people and the world really are.
Very few people know the score in politics.
You are too young to know the score yet.
What's the score anyhow? When will the program begin?
Compare: KNOW ONE'S STUFF, KNOW ONE'S WAY AROUND, THE ROPES.

[TahlilGaran] English Idioms Dictionary ▲