Under the winter sky of the country of Perpetua, in the humble snow village of Lunensis live two young brothers: Emilia and the little Pepo. Recently their mother was exiled by the authorities of the town being marked on his cheek to never return to any civilized place, condemnation that all criminals of Perpetua share. Faced with this situation, Emilia and Pepo were left to their fate, however, one day they see strange light signals coming from the forests surrounding the border walls of Lunensis and they, convinced that Erika, their mother, is the one who sends that call, go out in her