William has been wandering in empty streets for a few days… All the inhabitants of the planet seem to have vanished. And even more frightening, he catches glimpse of threatening extra-terrestrial silhouettes in the streets. Eventually he meets Tom, a resourceful young boy. Tom and William go together in search of other human beings.

The little boy is actually holding an incredible secret. He is able to call his favourite comic superheroes to the rescue. In this new, full of danger world, they will definitely need the help of Gunnar the Viking, Sheriff Jim colt, and the Knight Panache to survive.