The series "Para//èles" is a French science fiction detective story about parallel worlds. Four high school students are friends and constantly spend time together in one of their garages. The group consists of an athlete, a genius, a troublemaker, and a beauty, as it should be. But one day, after a strange flash, the kids disappear. While their parents scramble to find them, the heroes find themselves in a different reality and try to find their way back home. However, only the scientists at the nearby atomic collider know the reason for their displacement.