La semilla de una revolución (El origen de la puerta de los tres cerrojos 1)

At the dawn of the 20th century, Ada struggles against the dull and monotonous fate that awaits her in the orphanage. When her former mentor disappears, she finds herself plunged into an adventure that will take her to lands of strange knowledge. With the help of an enigmatic elf, she manages to escape her confinement, regaining not only her freedom but also opening the doors to her dreams: to become a great scientist. Ada and her new friend are on a mission to guide the most brilliant scientists of their time into the quantum world. Quantum physics must be born in the classical world. And, although her dreams are not without danger, Ada will do anything to uncover the secrets of what will be the greatest scientific revolution in history.