Mark and his Trio of Terror have perfected a reign of terror at school until the day he wakes up to find himself transformed into a puppet. Now harmless and suffering from the shock of his transformation, he must confront his former victims who want revenge, as well as the members of the Trio of Terror, who want to take his place. From now on, Mark must learn to survive as Fluffy Marky.

Marc et son Trio de la mort font régner la terreur à l'école jusqu'au jour où il se réveille transformé en marionnette. Devenu inoffensif et encore sous le choc de cette transformation, il doit affronter ses anciennes victimes qui veulent se venger et les membres du trio de la mort qui veulent prendre sa place. Dorénavant, il doit apprendre à survivre en Marc-en-peluche!