Mademoiselle Holmes

Charlie and Samy come across a body in the street. It seems to be a natural death, but Charlie questions the cat scratches covering the corpse. After a preliminary neighborhood inquiry, she discovers that the victim didn't own a cat.

A man is found dead, apparently from a heart attack during his workout. When his double life is uncovered, Charlie and Samy wonder whether the seemingly ordinary accountant or the hot-headed MMA fighter incurred the wrath of a murderer.

Iris, a choreographer and dancer, has just witnessed her sister's kidnapping. She has a serious heart condition, so every second matters. Chris follows a lead involving sibling rivalry, and Charlie and Samy immerse themselves in rehearsals.

Lou, a young model, is found dead in her hotel room on the eve of a prestigious pageant. Was she killed by a jealous competitor? Charlie discovers that, under the facade of a perfect little girl, Lou seems to have hidden many secrets.

It's back to college for Samy: one of his former professors and a student have been found dead, asphyxiated by a strange drug. What was going on between the professor and her student? And who was the real target?

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!