> ## Content Index
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# The Big Day
- URL: https://www.cascadepbs.org/show/mademoiselle-holmes/episode/the-big-day-twhvgu/
- Published: 2026-03-30T14:45:27.000Z
- Updated: 2026-04-10T07:30:27.000Z
- Description: A wedding planner is killed in a locked office, leaving detectives with a mystery.
- Author: Cascade PBS Staff
- Tags: Mademoiselle Holmes, Season 2, Episode 6, #ZZZ_Episode_0d93988b-63b4-4a35-9787-87c4f03fad1a, #episode, #ZZZ_Show_8ceaed55-610e-4b00-8f78-67928f2396be, #v1.16

Billon and Vinz have decided to tie the knot, but when Billon and Charlie go to the venue to finalize the wedding arrangements, the director is found stabbed in his office. It's a locked-room murder!