El enigma del viajero

The old house hides a great enigma, possibly the greatest and most incredible enigma of the century. A mysterious character, traveler, has left clues and riddles. And Mairén and Efrén, two restless, adventurous and very, very intelligent children, are going to embark on the adventure of their lives. It will not be easy, they will encounter all kinds of obstacles and difficulties, they will face great dangers and they will have to squeeze their wits. Will they reach their goal? What is that powerful enigma? Will they ever find out? The great story of these two cousins, Mairén and Efrén, begins here. A journey of tension, excitement and shocks awaits us that no one knows where it will take us. Can you come with us?