After the apprehension of a suspected terrorist, she witnesses the man's young son blow himself up at his father's behest with explosives hidden on his body.
Traumatized by the blast and experiencing migraine headaches from it, she is transferred home to Nice and moves back in with her mother, Maria, and her sister, Tania, while serving in counter-terrorist operations as part of Opération Sentinelle.
Yvan is hiding out in his father's villa at Saint-Jean-Cap-Ferrat, but both have diplomatic passports and immunity, making them untouchable without a complicated legal process.
Disguised as one of them, Klara brings him a fruit basket, grabs a fork, and rapidly stabs Leonid several times in the jugular and around the neck with it.
Produced by Labyrinthe Cinéma and Umedia,[3] Sentinelle was filmed over 35 days in November and December 2019, in Brussels, Belgium, Nice, France, and Casablanca, Morocco.
[5] On the website Movie Nation, critic Roger Moore gave the film an unfavorable review, calling it a "tight but illogical skips-a step-or-three thriller".
[6] On the website The Last Thing I See, a review calls the film's plot "lean and spare, without much fat or wasted time" but praises Klara's character development.
"[8] Vulture critic Bilge Ebiri, who quips that this movie is "John Wick on the Riviera", praises the film's "lean, modest efficiency...that knows how to grab your attention and not overstay its welcome.
Sandwell also states that the film gives its lead no "quirks" as a revenge-heroine, other than depicting her as not very good at her one-woman attacks; apart from this, he says "there are no other surprises in store plot-wise as events otherwise play out predictably.