Linda is a little girl rejected by other children and by her family. She lives in a small town where a serial killer is prowling. But one day, she sees a strange character on the street carrying a bag with an arm hanging out of it.
Unfortunately the movie Monsieur l'assassin X is not yet available on Paramount Plus.
| Writing | Lynn Devillaz | Writer |
| Directing | Antonio Veiras | Director |
| Writing | Antonio Veiras | Writer |
| Directing | Lynn Devillaz | Director |
| Production | Claude Barras | Producer |
| Sound | Sylvain Pellegrinelli | Music |
| Sound | Yanick Gerber | Music |
