Sentinelle is a French action thriller movie that follows the story of Klara, a highly trained French soldier who has recently returned home after a traumatizing combat mission in Syria. She is posted in Nice and lives with her older sister, Tania, who is a hairstylist.
One night, Tania is brutally assaulted and left in a coma by an unknown man. Klara is determined to find the attacker and avenge her sister, using her lethal skills and training as a soldier to track down the perpetrator. As she delves deeper into the criminal underworld of the city and uncovers a sex trafficking ring, Klara becomes more ruthless and violent in her pursuit of justice.
Along the way, she meets numerous obstacles, including corrupt police officers and dangerous criminals who are determined to stop her. However, Klara refuses to back down and continues her mission of revenge, putting her own life in danger in the process.
The movie stars Olga Kurylenko as Klara, along with Marilyn Lima as Tania and Michel Nabokoff as Sami, a detective who helps Klara in her mission. Directed by Julien Leclercq, Sentinelle offers high-intensity action scenes, emotionally charged moments, and a gripping storyline about a woman's relentless pursuit of justice for her loved one.