内幕 (nèi mù): What goes on behind the scenes (Noun) — Meaning & Stroke Order

I know the inside story of this matter.

He claimed to know the inside story, but the facts proved he knew nothing about it.

At a friend's gathering, we talked about the interesting behind-the-scenes stories during the filming of that movie.

The journalist exposed the inside story of the scandal, which attracted widespread public attention.

Despite extensive media coverage, the public still longs to know the full inside story and truth of the incident.