Flashback
Elsa Letellier is a young and talented agent working at the Police Science Agency in Lyon. She chose her profession in memory of her father, Josselin Letellier, who was mysteriously killed 30 years ago. However, Elsa, who is in danger of her father's death case being statute of limitations, returns to 1994. During this "time travel", she gets close to her father and tries to prevent his death by working with him. However, she never reveals her true identity to her father. This situation leads to conflicts between the two characters, which adds excitement to the progress of the film.
The film offers viewers not only a crime story, but also the depths of a father-daughter relationship. Elsa's relationship with her father allows her to confront her own past, while also providing viewers with an emotional experience.
The film was shot in Lyon, France. This adds to the atmosphere and realism of the film.
