When a heavy snowstorm paralyzes the country, the celebration of Sinterklaas threatens to be completely ruined. Due to a code red, the Petes can no longer go onto the roofs, and delivering all the presents seems impossible. Maar de Pieten would not be the Petes if they simply accepted that.
While the snow keeps falling and time is running out, they work on a special invention with which they try to rise above themselves both literally and figuratively. Will they manage to discover strengths within themselves that they did not know existed? Ontpoppen de Pieten perhaps transforming into true superheroes who save the Sinterklaas celebration together with K3.