Télématin is a French breakfast television news show, broadcast on France 2 since January 7, 1985. It is broadcast in Metropolitan France weekdays from 6:30 to 9:00 am CET. TV5 broadcast the show in Canada in its entirety until September 2011: it now shows a 90 minute version between 6:30 and 8:00 am Eastern Time, when the French original version is now 2h30 long. Télématin is hosted by William Leymergie. The show is daily seen by around 40% of the French morning audience, a very high percentage for French TV. In Metropolitan France, the newscasts are presented at 7:00, 7:30 and 8:00, with newsflashes at 6:30 and 8:50, and two press reviews at 7:20 and 8:30. The 6:30, 7:30 and 8:50 newscasts are usually presented by a female reader and the hourly newscasts by a male. The usual readers are Nathanaël de Rinquesen, Sophie Le Saint, Julien Benedetto, Sophie Gastrain, Patrice Romedenne and Frédéric Vion.

The story opens in the present day, at a high school reunion in the south of France where three former friends reconnect. They grew apart and lost touch, but they are still bound by a tragic secret tied to the disappearance of a high school girl who went missing 25 years ago in the region.