The Smog blanketed the planet forcing people to live confined. But when you are 15 like Juliette, real life truly begins outside.

Times have changed a lot for Franck who is a night watchman. About a decade ago he was a specialized worker. Today he feels bored but would jump at any chance to prove his bravery and courage.

The lives and turbulent adventures of a bunch of fourteen-year-old teenagers, through the eyes of three young girls - Sarah, Jade and Louise - with one last year to go before high school.