Loft Story was a French reality show, and it is the first French adaptation of Big Brother franchise. The show generally considered is the first of its kind in France.
Eleven singles cut off from the outside world and must live in a loft where all rooms (except toilets and a room imposed by the CSA) are equipped with 26 cameras (including 3 infrared cameras, mostly hidden behind one-way mirrors) and microphones. They are filmed 24 hours a day.