- HD 1080
- Runtime: 50m.
- Status: Ended
0
- Languages: fr
- Country: France
- Director: Laure de Butler
- Stars: Elisa Ezzedine, Sofia Essaïdi, Olivier Marchal, Lorànt Deutsch, Guy Lecluyse
- Production_studio: TF1
- Seasons: 1
- Episodes: 6
- First air date: 2021-01-07
- Last air date: 2021-01-21
- The The Promise is featured in the top rankings of 2021
- #82 in Top Mystery Series of 2021
What's the worst that can happen to a police officer? Definitely an unresolved investigation. This is what happens on Boxing Day 1999. Charlotte Meyer, an 11-year-old girl, disappears without a trace. Captain Pierre Castaing, in charge of the investigation, fails to find her. Where did she go? The mystery remains intact ... A few hundred kilometers away, a young investigator finds herself confronted with a similar disappearance ...