A large brass padlock hangs from a tiny closed wooden door against a dark red background.

Original artwork, not a still

Sam Diamond

Locked, from the inside. That can only mean one thing. And I don't know what it is.

— Murder by Death • 1976

Behind the line

What it means

Our interpretation.

A deadpan detective joke about a puzzle solved by not solving it. Locked from the inside sounds like a clue that should point somewhere, and the speaker promises a conclusion, then admits they have none. The confidence followed by shrugging is the comedy.

Context reviewed

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