Looking for sample that was posted before (had a mystery theme)

I cannot remember what it was called or who posted it, but within the last 6 months someone posted a published course that had some great mystery elements. From what I remember it reminded me of a Poirot mystery (think Art Deco) in first person perspective. You started the course by being greeted by the doorman or butler.

Can anyone remember something like this and if so, can you point me to the posting?

Thanks!

Holly

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