In the wake of a series of seemingly insignificant events, an ordinary school day for Sara, Mikkel, Louise and Hassan develops into a tragic turning point that changes everything forever.

6th Grade gets a new substitute teacher. She wants to train the class for an international competition in Paris. But something isn't right. How is she able read kids' minds? Why is she so mean? And how does she manage to convince everyone's parents she is so great when the whole class knows she is really an alien?