The discovery of a magic mirror allows Fred to realize his dream: his twin tidies up his room, eats without complaining and becomes first in class. But Fred did not keep his promise to keep this secret by revealing it to his friend, Émile.

What child has never dreamed of having a twin, someone who looks like him like two drops of water, and who excels in all areas, especially at school? Thanks to the discovery of a magic mirror, this dream becomes reality for best friends Frido and Emil. Their doubles are absolutely perfect--well, almost. The friends quickly lose control of their twins and must find a way to trap them and bring them back to the mirror.